Home / 6,407,391,062.16-8,842,198,388.88-3,549,718,971.60

Finding the Fourth Proportional to 6,407,391,062.16, 8,842,198,388.88 and 3,549,718,971.60

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Solution

The fourth proportional to 6,407,391,062.16, 8,842,198,388.88 and 3,549,718,971.60 is: 4,898,611,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,391,062.16 : 8,842,198,388.88 = 3,549,718,971.60 : x
  2. Step 2: Convert to fraction form
    6,407,391,062.16/8,842,198,388.88 = 3,549,718,971.60/x
  3. Step 3: Cross multiply
    6,407,391,062.16x = 8,842,198,388.88 × 3,549,718,971.60
  4. Step 4: Simplify right side
    6,407,391,062.16x = 31,387,319,371,658,285,056
  5. Step 5: Solve for x
    x = 31,387,319,371,658,285,056/6,407,391,062.16
  6. Step 6: Final answer
    x = 4,898,611,473.40

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Double scale
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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.