Home / 437,469,630.40-656,120,464.80-130,771,748.80

Finding the Fourth Proportional to 437,469,630.40, 656,120,464.80 and 130,771,748.80

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Solution

The fourth proportional to 437,469,630.40, 656,120,464.80 and 130,771,748.80 is: 196,132,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,469,630.40 : 656,120,464.80 = 130,771,748.80 : x
  2. Step 2: Convert to fraction form
    437,469,630.40/656,120,464.80 = 130,771,748.80/x
  3. Step 3: Cross multiply
    437,469,630.40x = 656,120,464.80 × 130,771,748.80
  4. Step 4: Simplify right side
    437,469,630.40x = 85,802,020,605,364,832
  5. Step 5: Solve for x
    x = 85,802,020,605,364,832/437,469,630.40
  6. Step 6: Final answer
    x = 196,132,519.02

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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.