Home / 924,777,918.56-1,386,195,845.52-311,149,108.64

Finding the Fourth Proportional to 924,777,918.56, 1,386,195,845.52 and 311,149,108.64

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Solution

The fourth proportional to 924,777,918.56, 1,386,195,845.52 and 311,149,108.64 is: 466,396,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,777,918.56 : 1,386,195,845.52 = 311,149,108.64 : x
  2. Step 2: Convert to fraction form
    924,777,918.56/1,386,195,845.52 = 311,149,108.64/x
  3. Step 3: Cross multiply
    924,777,918.56x = 1,386,195,845.52 × 311,149,108.64
  4. Step 4: Simplify right side
    924,777,918.56x = 431,313,601,734,019,136
  5. Step 5: Solve for x
    x = 431,313,601,734,019,136/924,777,918.56
  6. Step 6: Final answer
    x = 466,396,951.18

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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.