Home / 551,179,169.27-760,116,331.77-402,264,414.71

Finding the Fourth Proportional to 551,179,169.27, 760,116,331.77 and 402,264,414.71

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Solution

The fourth proportional to 551,179,169.27, 760,116,331.77 and 402,264,414.71 is: 554,752,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,179,169.27 : 760,116,331.77 = 402,264,414.71 : x
  2. Step 2: Convert to fraction form
    551,179,169.27/760,116,331.77 = 402,264,414.71/x
  3. Step 3: Cross multiply
    551,179,169.27x = 760,116,331.77 × 402,264,414.71
  4. Step 4: Simplify right side
    551,179,169.27x = 305,767,751,307,170,624
  5. Step 5: Solve for x
    x = 305,767,751,307,170,624/551,179,169.27
  6. Step 6: Final answer
    x = 554,752,008.71

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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.