Home / 870,917,000.60-1,306,375,500.90-655,926,152.60

Finding the Fourth Proportional to 870,917,000.60, 1,306,375,500.90 and 655,926,152.60

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Solution

The fourth proportional to 870,917,000.60, 1,306,375,500.90 and 655,926,152.60 is: 983,889,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,917,000.60 : 1,306,375,500.90 = 655,926,152.60 : x
  2. Step 2: Convert to fraction form
    870,917,000.60/1,306,375,500.90 = 655,926,152.60/x
  3. Step 3: Cross multiply
    870,917,000.60x = 1,306,375,500.90 × 655,926,152.60
  4. Step 4: Simplify right side
    870,917,000.60x = 856,885,856,156,234,880
  5. Step 5: Solve for x
    x = 856,885,856,156,234,880/870,917,000.60
  6. Step 6: Final answer
    x = 983,889,228.90

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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.