Home / 38,404,498,552.39-52,997,057,447.08-21,258,054,657.15

Finding the Fourth Proportional to 38,404,498,552.39, 52,997,057,447.08 and 21,258,054,657.15

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Solution

The fourth proportional to 38,404,498,552.39, 52,997,057,447.08 and 21,258,054,657.15 is: 29,335,478,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404,498,552.39 : 52,997,057,447.08 = 21,258,054,657.15 : x
  2. Step 2: Convert to fraction form
    38,404,498,552.39/52,997,057,447.08 = 21,258,054,657.15/x
  3. Step 3: Cross multiply
    38,404,498,552.39x = 52,997,057,447.08 × 21,258,054,657.15
  4. Step 4: Simplify right side
    38,404,498,552.39x = 1,126,614,343,878,144,688,128
  5. Step 5: Solve for x
    x = 1,126,614,343,878,144,688,128/38,404,498,552.39
  6. Step 6: Final answer
    x = 29,335,478,559.66

Related Problems

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Half scale
Find fourth proportional to 76,808,997,104.77, 105,994,114,894.15 and 42,516,109,314.30
Double scale
Find fourth proportional to 38,404,498,553.39, 52,997,057,448.46 and 21,258,054,658.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.