Home / 314,712,006.20-472,068,009.30-308,665,388.60

Finding the Fourth Proportional to 314,712,006.20, 472,068,009.30 and 308,665,388.60

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Solution

The fourth proportional to 314,712,006.20, 472,068,009.30 and 308,665,388.60 is: 462,998,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,006.20 : 472,068,009.30 = 308,665,388.60 : x
  2. Step 2: Convert to fraction form
    314,712,006.20/472,068,009.30 = 308,665,388.60/x
  3. Step 3: Cross multiply
    314,712,006.20x = 472,068,009.30 × 308,665,388.60
  4. Step 4: Simplify right side
    314,712,006.20x = 145,711,055,536,212,928
  5. Step 5: Solve for x
    x = 145,711,055,536,212,928/314,712,006.20
  6. Step 6: Final answer
    x = 462,998,082.90

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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.