Home / 870,189,760.32-1,306,571,101.92-580,859,522.88

Finding the Fourth Proportional to 870,189,760.32, 1,306,571,101.92 and 580,859,522.88

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Solution

The fourth proportional to 870,189,760.32, 1,306,571,101.92 and 580,859,522.88 is: 872,148,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,189,760.32 : 1,306,571,101.92 = 580,859,522.88 : x
  2. Step 2: Convert to fraction form
    870,189,760.32/1,306,571,101.92 = 580,859,522.88/x
  3. Step 3: Cross multiply
    870,189,760.32x = 1,306,571,101.92 × 580,859,522.88
  4. Step 4: Simplify right side
    870,189,760.32x = 758,934,266,870,047,104
  5. Step 5: Solve for x
    x = 758,934,266,870,047,104/870,189,760.32
  6. Step 6: Final answer
    x = 872,148,008.95

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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.