Home / 314,928,318.60-472,392,477.90-284,795,613.90

Finding the Fourth Proportional to 314,928,318.60, 472,392,477.90 and 284,795,613.90

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Solution

The fourth proportional to 314,928,318.60, 472,392,477.90 and 284,795,613.90 is: 427,193,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,318.60 : 472,392,477.90 = 284,795,613.90 : x
  2. Step 2: Convert to fraction form
    314,928,318.60/472,392,477.90 = 284,795,613.90/x
  3. Step 3: Cross multiply
    314,928,318.60x = 472,392,477.90 × 284,795,613.90
  4. Step 4: Simplify right side
    314,928,318.60x = 134,535,305,745,272,672
  5. Step 5: Solve for x
    x = 134,535,305,745,272,672/314,928,318.60
  6. Step 6: Final answer
    x = 427,193,420.85

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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.