Home / 623,974,404.29-861,074,154.36-345,509,949.11

Finding the Fourth Proportional to 623,974,404.29, 861,074,154.36 and 345,509,949.11

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Solution

The fourth proportional to 623,974,404.29, 861,074,154.36 and 345,509,949.11 is: 476,797,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,974,404.29 : 861,074,154.36 = 345,509,949.11 : x
  2. Step 2: Convert to fraction form
    623,974,404.29/861,074,154.36 = 345,509,949.11/x
  3. Step 3: Cross multiply
    623,974,404.29x = 861,074,154.36 × 345,509,949.11
  4. Step 4: Simplify right side
    623,974,404.29x = 297,509,687,252,859,904
  5. Step 5: Solve for x
    x = 297,509,687,252,859,904/623,974,404.29
  6. Step 6: Final answer
    x = 476,797,902.62

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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.