Home / 359,399,181.60-539,098,772.40-345,290,407.20

Finding the Fourth Proportional to 359,399,181.60, 539,098,772.40 and 345,290,407.20

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Solution

The fourth proportional to 359,399,181.60, 539,098,772.40 and 345,290,407.20 is: 517,935,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,399,181.60 : 539,098,772.40 = 345,290,407.20 : x
  2. Step 2: Convert to fraction form
    359,399,181.60/539,098,772.40 = 345,290,407.20/x
  3. Step 3: Cross multiply
    359,399,181.60x = 539,098,772.40 × 345,290,407.20
  4. Step 4: Simplify right side
    359,399,181.60x = 186,145,634,643,016,096
  5. Step 5: Solve for x
    x = 186,145,634,643,016,096/359,399,181.60
  6. Step 6: Final answer
    x = 517,935,610.80

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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.