Home / 496,438,909.20-744,658,363.80-442,869,656.40

Finding the Fourth Proportional to 496,438,909.20, 744,658,363.80 and 442,869,656.40

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Solution

The fourth proportional to 496,438,909.20, 744,658,363.80 and 442,869,656.40 is: 664,304,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,438,909.20 : 744,658,363.80 = 442,869,656.40 : x
  2. Step 2: Convert to fraction form
    496,438,909.20/744,658,363.80 = 442,869,656.40/x
  3. Step 3: Cross multiply
    496,438,909.20x = 744,658,363.80 × 442,869,656.40
  4. Step 4: Simplify right side
    496,438,909.20x = 329,786,593,711,492,160
  5. Step 5: Solve for x
    x = 329,786,593,711,492,160/496,438,909.20
  6. Step 6: Final answer
    x = 664,304,484.60

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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.