Home / 314,928,297.60-472,392,446.40-284,795,592.90

Finding the Fourth Proportional to 314,928,297.60, 472,392,446.40 and 284,795,592.90

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Solution

The fourth proportional to 314,928,297.60, 472,392,446.40 and 284,795,592.90 is: 427,193,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,297.60 : 472,392,446.40 = 284,795,592.90 : x
  2. Step 2: Convert to fraction form
    314,928,297.60/472,392,446.40 = 284,795,592.90/x
  3. Step 3: Cross multiply
    314,928,297.60x = 472,392,446.40 × 284,795,592.90
  4. Step 4: Simplify right side
    314,928,297.60x = 134,535,286,853,969,456
  5. Step 5: Solve for x
    x = 134,535,286,853,969,456/314,928,297.60
  6. Step 6: Final answer
    x = 427,193,389.35

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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.