Home / 431,913,744.85-596,452,618.97-408,383,359.58

Finding the Fourth Proportional to 431,913,744.85, 596,452,618.97 and 408,383,359.58

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Solution

The fourth proportional to 431,913,744.85, 596,452,618.97 and 408,383,359.58 is: 563,958,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,913,744.85 : 596,452,618.97 = 408,383,359.58 : x
  2. Step 2: Convert to fraction form
    431,913,744.85/596,452,618.97 = 408,383,359.58/x
  3. Step 3: Cross multiply
    431,913,744.85x = 596,452,618.97 × 408,383,359.58
  4. Step 4: Simplify right side
    431,913,744.85x = 243,581,324,363,216,320
  5. Step 5: Solve for x
    x = 243,581,324,363,216,320/431,913,744.85
  6. Step 6: Final answer
    x = 563,958,260.81

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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.