Home / 314,928,141.90-472,392,212.85-291,969,890.70

Finding the Fourth Proportional to 314,928,141.90, 472,392,212.85 and 291,969,890.70

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Solution

The fourth proportional to 314,928,141.90, 472,392,212.85 and 291,969,890.70 is: 437,954,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,141.90 : 472,392,212.85 = 291,969,890.70 : x
  2. Step 2: Convert to fraction form
    314,928,141.90/472,392,212.85 = 291,969,890.70/x
  3. Step 3: Cross multiply
    314,928,141.90x = 472,392,212.85 × 291,969,890.70
  4. Step 4: Simplify right side
    314,928,141.90x = 137,924,302,753,345,632
  5. Step 5: Solve for x
    x = 137,924,302,753,345,632/314,928,141.90
  6. Step 6: Final answer
    x = 437,954,836.05

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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.