Home / 418,748,354.46-627,831,659.43-185,451,937.38

Finding the Fourth Proportional to 418,748,354.46, 627,831,659.43 and 185,451,937.38

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Solution

The fourth proportional to 418,748,354.46, 627,831,659.43 and 185,451,937.38 is: 278,049,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,748,354.46 : 627,831,659.43 = 185,451,937.38 : x
  2. Step 2: Convert to fraction form
    418,748,354.46/627,831,659.43 = 185,451,937.38/x
  3. Step 3: Cross multiply
    418,748,354.46x = 627,831,659.43 × 185,451,937.38
  4. Step 4: Simplify right side
    418,748,354.46x = 116,432,597,589,793,840
  5. Step 5: Solve for x
    x = 116,432,597,589,793,840/418,748,354.46
  6. Step 6: Final answer
    x = 278,049,086.88

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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.