Home / 774,192,001.80-1,161,288,002.70-747,915,342.60

Finding the Fourth Proportional to 774,192,001.80, 1,161,288,002.70 and 747,915,342.60

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Solution

The fourth proportional to 774,192,001.80, 1,161,288,002.70 and 747,915,342.60 is: 1,121,873,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,192,001.80 : 1,161,288,002.70 = 747,915,342.60 : x
  2. Step 2: Convert to fraction form
    774,192,001.80/1,161,288,002.70 = 747,915,342.60/x
  3. Step 3: Cross multiply
    774,192,001.80x = 1,161,288,002.70 × 747,915,342.60
  4. Step 4: Simplify right side
    774,192,001.80x = 868,545,114,396,640,256
  5. Step 5: Solve for x
    x = 868,545,114,396,640,256/774,192,001.80
  6. Step 6: Final answer
    x = 1,121,873,013.90

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1.5x scale

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.