Home / 778,187,235.66-1,073,792,324.55-464,854,936.47

Finding the Fourth Proportional to 778,187,235.66, 1,073,792,324.55 and 464,854,936.47

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Solution

The fourth proportional to 778,187,235.66, 1,073,792,324.55 and 464,854,936.47 is: 641,436,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,187,235.66 : 1,073,792,324.55 = 464,854,936.47 : x
  2. Step 2: Convert to fraction form
    778,187,235.66/1,073,792,324.55 = 464,854,936.47/x
  3. Step 3: Cross multiply
    778,187,235.66x = 1,073,792,324.55 × 464,854,936.47
  4. Step 4: Simplify right side
    778,187,235.66x = 499,157,662,810,663,872
  5. Step 5: Solve for x
    x = 499,157,662,810,663,872/778,187,235.66
  6. Step 6: Final answer
    x = 641,436,456.34

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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.