Home / 726,178,320.50-1,001,989,025.62-432,850,182.26

Finding the Fourth Proportional to 726,178,320.50, 1,001,989,025.62 and 432,850,182.26

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Solution

The fourth proportional to 726,178,320.50, 1,001,989,025.62 and 432,850,182.26 is: 597,251,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,178,320.50 : 1,001,989,025.62 = 432,850,182.26 : x
  2. Step 2: Convert to fraction form
    726,178,320.50/1,001,989,025.62 = 432,850,182.26/x
  3. Step 3: Cross multiply
    726,178,320.50x = 1,001,989,025.62 × 432,850,182.26
  4. Step 4: Simplify right side
    726,178,320.50x = 433,711,132,356,044,736
  5. Step 5: Solve for x
    x = 433,711,132,356,044,736/726,178,320.50
  6. Step 6: Final answer
    x = 597,251,556.70

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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.