Home / 314,928,338.10-472,392,507.15-291,970,086.90

Finding the Fourth Proportional to 314,928,338.10, 472,392,507.15 and 291,970,086.90

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Solution

The fourth proportional to 314,928,338.10, 472,392,507.15 and 291,970,086.90 is: 437,955,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,338.10 : 472,392,507.15 = 291,970,086.90 : x
  2. Step 2: Convert to fraction form
    314,928,338.10/472,392,507.15 = 291,970,086.90/x
  3. Step 3: Cross multiply
    314,928,338.10x = 472,392,507.15 × 291,970,086.90
  4. Step 4: Simplify right side
    314,928,338.10x = 137,924,481,363,494,352
  5. Step 5: Solve for x
    x = 137,924,481,363,494,352/314,928,338.10
  6. Step 6: Final answer
    x = 437,955,130.35

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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.