Home / 462,820,906.62-638,711,265.53-253,984,522.73

Finding the Fourth Proportional to 462,820,906.62, 638,711,265.53 and 253,984,522.73

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Solution

The fourth proportional to 462,820,906.62, 638,711,265.53 and 253,984,522.73 is: 350,508,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,820,906.62 : 638,711,265.53 = 253,984,522.73 : x
  2. Step 2: Convert to fraction form
    462,820,906.62/638,711,265.53 = 253,984,522.73/x
  3. Step 3: Cross multiply
    462,820,906.62x = 638,711,265.53 × 253,984,522.73
  4. Step 4: Simplify right side
    462,820,906.62x = 162,222,775,935,352,768
  5. Step 5: Solve for x
    x = 162,222,775,935,352,768/462,820,906.62
  6. Step 6: Final answer
    x = 350,508,746.72

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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.