Home / 359,399,195.60-539,098,793.40-345,290,421.20

Finding the Fourth Proportional to 359,399,195.60, 539,098,793.40 and 345,290,421.20

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Solution

The fourth proportional to 359,399,195.60, 539,098,793.40 and 345,290,421.20 is: 517,935,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,399,195.60 : 539,098,793.40 = 345,290,421.20 : x
  2. Step 2: Convert to fraction form
    359,399,195.60/539,098,793.40 = 345,290,421.20/x
  3. Step 3: Cross multiply
    359,399,195.60x = 539,098,793.40 × 345,290,421.20
  4. Step 4: Simplify right side
    359,399,195.60x = 186,145,649,441,497,760
  5. Step 5: Solve for x
    x = 186,145,649,441,497,760/359,399,195.60
  6. Step 6: Final answer
    x = 517,935,631.80

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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.