Home / 646,812,000.10-970,218,000.15-493,756,992.10

Finding the Fourth Proportional to 646,812,000.10, 970,218,000.15 and 493,756,992.10

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Solution

The fourth proportional to 646,812,000.10, 970,218,000.15 and 493,756,992.10 is: 740,635,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,812,000.10 : 970,218,000.15 = 493,756,992.10 : x
  2. Step 2: Convert to fraction form
    646,812,000.10/970,218,000.15 = 493,756,992.10/x
  3. Step 3: Cross multiply
    646,812,000.10x = 970,218,000.15 × 493,756,992.10
  4. Step 4: Simplify right side
    646,812,000.10x = 479,051,921,435,341,376
  5. Step 5: Solve for x
    x = 479,051,921,435,341,376/646,812,000.10
  6. Step 6: Final answer
    x = 740,635,488.15

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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.