Home / 8,721,174,891.40-13,081,762,337.10-8,047,732,856.20

Finding the Fourth Proportional to 8,721,174,891.40, 13,081,762,337.10 and 8,047,732,856.20

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Solution

The fourth proportional to 8,721,174,891.40, 13,081,762,337.10 and 8,047,732,856.20 is: 12,071,599,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,174,891.40 : 13,081,762,337.10 = 8,047,732,856.20 : x
  2. Step 2: Convert to fraction form
    8,721,174,891.40/13,081,762,337.10 = 8,047,732,856.20/x
  3. Step 3: Cross multiply
    8,721,174,891.40x = 13,081,762,337.10 × 8,047,732,856.20
  4. Step 4: Simplify right side
    8,721,174,891.40x = 105,278,528,577,279,377,408
  5. Step 5: Solve for x
    x = 105,278,528,577,279,377,408/8,721,174,891.40
  6. Step 6: Final answer
    x = 12,071,599,284.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.