Home / 623,974,404.54-861,074,154.70-345,509,949.36

Finding the Fourth Proportional to 623,974,404.54, 861,074,154.70 and 345,509,949.36

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Solution

The fourth proportional to 623,974,404.54, 861,074,154.70 and 345,509,949.36 is: 476,797,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,974,404.54 : 861,074,154.70 = 345,509,949.36 : x
  2. Step 2: Convert to fraction form
    623,974,404.54/861,074,154.70 = 345,509,949.36/x
  3. Step 3: Cross multiply
    623,974,404.54x = 861,074,154.70 × 345,509,949.36
  4. Step 4: Simplify right side
    623,974,404.54x = 297,509,687,585,601,856
  5. Step 5: Solve for x
    x = 297,509,687,585,601,856/623,974,404.54
  6. Step 6: Final answer
    x = 476,797,902.96

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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.