Home / 726,178,336.62-1,001,989,047.84-432,850,198.38

Finding the Fourth Proportional to 726,178,336.62, 1,001,989,047.84 and 432,850,198.38

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Solution

The fourth proportional to 726,178,336.62, 1,001,989,047.84 and 432,850,198.38 is: 597,251,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,178,336.62 : 1,001,989,047.84 = 432,850,198.38 : x
  2. Step 2: Convert to fraction form
    726,178,336.62/1,001,989,047.84 = 432,850,198.38/x
  3. Step 3: Cross multiply
    726,178,336.62x = 1,001,989,047.84 × 432,850,198.38
  4. Step 4: Simplify right side
    726,178,336.62x = 433,711,158,132,131,328
  5. Step 5: Solve for x
    x = 433,711,158,132,131,328/726,178,336.62
  6. Step 6: Final answer
    x = 597,251,578.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.