Home / 378,038,982.80-566,386,627.80-324,291,270.80

Finding the Fourth Proportional to 378,038,982.80, 566,386,627.80 and 324,291,270.80

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Solution

The fourth proportional to 378,038,982.80, 566,386,627.80 and 324,291,270.80 is: 485,860,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,038,982.80 : 566,386,627.80 = 324,291,270.80 : x
  2. Step 2: Convert to fraction form
    378,038,982.80/566,386,627.80 = 324,291,270.80/x
  3. Step 3: Cross multiply
    378,038,982.80x = 566,386,627.80 × 324,291,270.80
  4. Step 4: Simplify right side
    378,038,982.80x = 183,674,239,293,388,608
  5. Step 5: Solve for x
    x = 183,674,239,293,388,608/378,038,982.80
  6. Step 6: Final answer
    x = 485,860,579.60

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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.