Home / 378,038,982.30-566,386,627.05-324,291,270.30

Finding the Fourth Proportional to 378,038,982.30, 566,386,627.05 and 324,291,270.30

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Solution

The fourth proportional to 378,038,982.30, 566,386,627.05 and 324,291,270.30 is: 485,860,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,038,982.30 : 566,386,627.05 = 324,291,270.30 : x
  2. Step 2: Convert to fraction form
    378,038,982.30/566,386,627.05 = 324,291,270.30/x
  3. Step 3: Cross multiply
    378,038,982.30x = 566,386,627.05 × 324,291,270.30
  4. Step 4: Simplify right side
    378,038,982.30x = 183,674,238,766,976,832
  5. Step 5: Solve for x
    x = 183,674,238,766,976,832/378,038,982.30
  6. Step 6: Final answer
    x = 485,860,578.85

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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.