Home / 653,458,045.20-980,187,067.80-505,504,870.80

Finding the Fourth Proportional to 653,458,045.20, 980,187,067.80 and 505,504,870.80

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Solution

The fourth proportional to 653,458,045.20, 980,187,067.80 and 505,504,870.80 is: 758,257,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,458,045.20 : 980,187,067.80 = 505,504,870.80 : x
  2. Step 2: Convert to fraction form
    653,458,045.20/980,187,067.80 = 505,504,870.80/x
  3. Step 3: Cross multiply
    653,458,045.20x = 980,187,067.80 × 505,504,870.80
  4. Step 4: Simplify right side
    653,458,045.20x = 495,489,337,068,069,824
  5. Step 5: Solve for x
    x = 495,489,337,068,069,824/653,458,045.20
  6. Step 6: Final answer
    x = 758,257,306.20

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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.