Home / 1,120,195,592.60-1,679,789,504.10-429,873,416.60

Finding the Fourth Proportional to 1,120,195,592.60, 1,679,789,504.10 and 429,873,416.60

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Solution

The fourth proportional to 1,120,195,592.60, 1,679,789,504.10 and 429,873,416.60 is: 644,616,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,195,592.60 : 1,679,789,504.10 = 429,873,416.60 : x
  2. Step 2: Convert to fraction form
    1,120,195,592.60/1,679,789,504.10 = 429,873,416.60/x
  3. Step 3: Cross multiply
    1,120,195,592.60x = 1,679,789,504.10 × 429,873,416.60
  4. Step 4: Simplify right side
    1,120,195,592.60x = 722,096,853,296,286,720
  5. Step 5: Solve for x
    x = 722,096,853,296,286,720/1,120,195,592.60
  6. Step 6: Final answer
    x = 644,616,759.85

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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.