Home / 38,404,498,557.40-52,997,057,453.98-21,258,054,662.16

Finding the Fourth Proportional to 38,404,498,557.40, 52,997,057,453.98 and 21,258,054,662.16

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Solution

The fourth proportional to 38,404,498,557.40, 52,997,057,453.98 and 21,258,054,662.16 is: 29,335,478,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404,498,557.40 : 52,997,057,453.98 = 21,258,054,662.16 : x
  2. Step 2: Convert to fraction form
    38,404,498,557.40/52,997,057,453.98 = 21,258,054,662.16/x
  3. Step 3: Cross multiply
    38,404,498,557.40x = 52,997,057,453.98 × 21,258,054,662.16
  4. Step 4: Simplify right side
    38,404,498,557.40x = 1,126,614,344,290,340,962,304
  5. Step 5: Solve for x
    x = 1,126,614,344,290,340,962,304/38,404,498,557.40
  6. Step 6: Final answer
    x = 29,335,478,566.57

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Half scale
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Double scale
Find fourth proportional to 38,404,498,558.40, 52,997,057,455.36 and 21,258,054,663.16
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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.