Home / 431,693,061.76-647,220,465.28-224,133,464.96

Finding the Fourth Proportional to 431,693,061.76, 647,220,465.28 and 224,133,464.96

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Solution

The fourth proportional to 431,693,061.76, 647,220,465.28 and 224,133,464.96 is: 336,034,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,693,061.76 : 647,220,465.28 = 224,133,464.96 : x
  2. Step 2: Convert to fraction form
    431,693,061.76/647,220,465.28 = 224,133,464.96/x
  3. Step 3: Cross multiply
    431,693,061.76x = 647,220,465.28 × 224,133,464.96
  4. Step 4: Simplify right side
    431,693,061.76x = 145,063,765,476,229,760
  5. Step 5: Solve for x
    x = 145,063,765,476,229,760/431,693,061.76
  6. Step 6: Final answer
    x = 336,034,507.68

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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.