Home / 314,712,005.70-472,068,008.55-308,665,388.10

Finding the Fourth Proportional to 314,712,005.70, 472,068,008.55 and 308,665,388.10

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Solution

The fourth proportional to 314,712,005.70, 472,068,008.55 and 308,665,388.10 is: 462,998,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,005.70 : 472,068,008.55 = 308,665,388.10 : x
  2. Step 2: Convert to fraction form
    314,712,005.70/472,068,008.55 = 308,665,388.10/x
  3. Step 3: Cross multiply
    314,712,005.70x = 472,068,008.55 × 308,665,388.10
  4. Step 4: Simplify right side
    314,712,005.70x = 145,711,055,068,679,872
  5. Step 5: Solve for x
    x = 145,711,055,068,679,872/314,712,005.70
  6. Step 6: Final answer
    x = 462,998,082.15

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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.