Home / 869,876,704.80-1,304,815,057.20-482,893,178.40

Finding the Fourth Proportional to 869,876,704.80, 1,304,815,057.20 and 482,893,178.40

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Solution

The fourth proportional to 869,876,704.80, 1,304,815,057.20 and 482,893,178.40 is: 724,339,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,876,704.80 : 1,304,815,057.20 = 482,893,178.40 : x
  2. Step 2: Convert to fraction form
    869,876,704.80/1,304,815,057.20 = 482,893,178.40/x
  3. Step 3: Cross multiply
    869,876,704.80x = 1,304,815,057.20 × 482,893,178.40
  4. Step 4: Simplify right side
    869,876,704.80x = 630,086,290,195,485,824
  5. Step 5: Solve for x
    x = 630,086,290,195,485,824/869,876,704.80
  6. Step 6: Final answer
    x = 724,339,767.60

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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.