Home / 622,172,961.41-932,607,543.15-289,906,034.49

Finding the Fourth Proportional to 622,172,961.41, 932,607,543.15 and 289,906,034.49

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Solution

The fourth proportional to 622,172,961.41, 932,607,543.15 and 289,906,034.49 is: 434,555,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,172,961.41 : 932,607,543.15 = 289,906,034.49 : x
  2. Step 2: Convert to fraction form
    622,172,961.41/932,607,543.15 = 289,906,034.49/x
  3. Step 3: Cross multiply
    622,172,961.41x = 932,607,543.15 × 289,906,034.49
  4. Step 4: Simplify right side
    622,172,961.41x = 270,368,554,570,078,080
  5. Step 5: Solve for x
    x = 270,368,554,570,078,080/622,172,961.41
  6. Step 6: Final answer
    x = 434,555,294.66

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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.