Home / 778,187,234.66-1,073,792,323.17-464,854,935.47

Finding the Fourth Proportional to 778,187,234.66, 1,073,792,323.17 and 464,854,935.47

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Solution

The fourth proportional to 778,187,234.66, 1,073,792,323.17 and 464,854,935.47 is: 641,436,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,187,234.66 : 1,073,792,323.17 = 464,854,935.47 : x
  2. Step 2: Convert to fraction form
    778,187,234.66/1,073,792,323.17 = 464,854,935.47/x
  3. Step 3: Cross multiply
    778,187,234.66x = 1,073,792,323.17 × 464,854,935.47
  4. Step 4: Simplify right side
    778,187,234.66x = 499,157,661,090,002,752
  5. Step 5: Solve for x
    x = 499,157,661,090,002,752/778,187,234.66
  6. Step 6: Final answer
    x = 641,436,454.96

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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.