Home / 423,815,862.60-635,723,793.90-309,024,606.60

Finding the Fourth Proportional to 423,815,862.60, 635,723,793.90 and 309,024,606.60

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Solution

The fourth proportional to 423,815,862.60, 635,723,793.90 and 309,024,606.60 is: 463,536,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,815,862.60 : 635,723,793.90 = 309,024,606.60 : x
  2. Step 2: Convert to fraction form
    423,815,862.60/635,723,793.90 = 309,024,606.60/x
  3. Step 3: Cross multiply
    423,815,862.60x = 635,723,793.90 × 309,024,606.60
  4. Step 4: Simplify right side
    423,815,862.60x = 196,454,295,316,206,976
  5. Step 5: Solve for x
    x = 196,454,295,316,206,976/423,815,862.60
  6. Step 6: Final answer
    x = 463,536,909.90

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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.