Home / 7,205,229,432.56-9,938,090,753.16-6,612,428,210.96

Finding the Fourth Proportional to 7,205,229,432.56, 9,938,090,753.16 and 6,612,428,210.96

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Solution

The fourth proportional to 7,205,229,432.56, 9,938,090,753.16 and 6,612,428,210.96 is: 9,120,446,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,229,432.56 : 9,938,090,753.16 = 6,612,428,210.96 : x
  2. Step 2: Convert to fraction form
    7,205,229,432.56/9,938,090,753.16 = 6,612,428,210.96/x
  3. Step 3: Cross multiply
    7,205,229,432.56x = 9,938,090,753.16 × 6,612,428,210.96
  4. Step 4: Simplify right side
    7,205,229,432.56x = 65,714,911,659,275,894,784
  5. Step 5: Solve for x
    x = 65,714,911,659,275,894,784/7,205,229,432.56
  6. Step 6: Final answer
    x = 9,120,446,791.37

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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.