Home / 924,777,912.56-1,386,195,836.52-311,149,102.64

Finding the Fourth Proportional to 924,777,912.56, 1,386,195,836.52 and 311,149,102.64

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Solution

The fourth proportional to 924,777,912.56, 1,386,195,836.52 and 311,149,102.64 is: 466,396,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,777,912.56 : 1,386,195,836.52 = 311,149,102.64 : x
  2. Step 2: Convert to fraction form
    924,777,912.56/1,386,195,836.52 = 311,149,102.64/x
  3. Step 3: Cross multiply
    924,777,912.56x = 1,386,195,836.52 × 311,149,102.64
  4. Step 4: Simplify right side
    924,777,912.56x = 431,313,590,616,502,144
  5. Step 5: Solve for x
    x = 431,313,590,616,502,144/924,777,912.56
  6. Step 6: Final answer
    x = 466,396,942.18

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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.