Home / 778,187,042.28-1,073,792,060.34-464,854,743.36

Finding the Fourth Proportional to 778,187,042.28, 1,073,792,060.34 and 464,854,743.36

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Solution

The fourth proportional to 778,187,042.28, 1,073,792,060.34 and 464,854,743.36 is: 641,436,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,187,042.28 : 1,073,792,060.34 = 464,854,743.36 : x
  2. Step 2: Convert to fraction form
    778,187,042.28/1,073,792,060.34 = 464,854,743.36/x
  3. Step 3: Cross multiply
    778,187,042.28x = 1,073,792,060.34 × 464,854,743.36
  4. Step 4: Simplify right side
    778,187,042.28x = 499,157,332,631,356,288
  5. Step 5: Solve for x
    x = 499,157,332,631,356,288/778,187,042.28
  6. Step 6: Final answer
    x = 641,436,191.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.