Home / 359,660,919.60-539,491,379.40-243,434,772.90

Finding the Fourth Proportional to 359,660,919.60, 539,491,379.40 and 243,434,772.90

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Solution

The fourth proportional to 359,660,919.60, 539,491,379.40 and 243,434,772.90 is: 365,152,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,660,919.60 : 539,491,379.40 = 243,434,772.90 : x
  2. Step 2: Convert to fraction form
    359,660,919.60/539,491,379.40 = 243,434,772.90/x
  3. Step 3: Cross multiply
    359,660,919.60x = 539,491,379.40 × 243,434,772.90
  4. Step 4: Simplify right side
    359,660,919.60x = 131,330,961,425,746,736
  5. Step 5: Solve for x
    x = 131,330,961,425,746,736/359,660,919.60
  6. Step 6: Final answer
    x = 365,152,159.35

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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.