Home / 1,372,625,138.40-2,059,211,694.90-717,870,930.72

Finding the Fourth Proportional to 1,372,625,138.40, 2,059,211,694.90 and 717,870,930.72

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Solution

The fourth proportional to 1,372,625,138.40, 2,059,211,694.90 and 717,870,930.72 is: 1,076,949,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,625,138.40 : 2,059,211,694.90 = 717,870,930.72 : x
  2. Step 2: Convert to fraction form
    1,372,625,138.40/2,059,211,694.90 = 717,870,930.72/x
  3. Step 3: Cross multiply
    1,372,625,138.40x = 2,059,211,694.90 × 717,870,930.72
  4. Step 4: Simplify right side
    1,372,625,138.40x = 1,478,248,215,967,371,776
  5. Step 5: Solve for x
    x = 1,478,248,215,967,371,776/1,372,625,138.40
  6. Step 6: Final answer
    x = 1,076,949,689.04

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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.