Home / 870,917,000.10-1,306,375,500.15-655,926,152.10

Finding the Fourth Proportional to 870,917,000.10, 1,306,375,500.15 and 655,926,152.10

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Solution

The fourth proportional to 870,917,000.10, 1,306,375,500.15 and 655,926,152.10 is: 983,889,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,917,000.10 : 1,306,375,500.15 = 655,926,152.10 : x
  2. Step 2: Convert to fraction form
    870,917,000.10/1,306,375,500.15 = 655,926,152.10/x
  3. Step 3: Cross multiply
    870,917,000.10x = 1,306,375,500.15 × 655,926,152.10
  4. Step 4: Simplify right side
    870,917,000.10x = 856,885,855,011,102,592
  5. Step 5: Solve for x
    x = 856,885,855,011,102,592/870,917,000.10
  6. Step 6: Final answer
    x = 983,889,228.15

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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.