Home / 622,172,969.57-932,607,555.39-289,906,042.68

Finding the Fourth Proportional to 622,172,969.57, 932,607,555.39 and 289,906,042.68

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Solution

The fourth proportional to 622,172,969.57, 932,607,555.39 and 289,906,042.68 is: 434,555,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,172,969.57 : 932,607,555.39 = 289,906,042.68 : x
  2. Step 2: Convert to fraction form
    622,172,969.57/932,607,555.39 = 289,906,042.68/x
  3. Step 3: Cross multiply
    622,172,969.57x = 932,607,555.39 × 289,906,042.68
  4. Step 4: Simplify right side
    622,172,969.57x = 270,368,565,756,583,808
  5. Step 5: Solve for x
    x = 270,368,565,756,583,808/622,172,969.57
  6. Step 6: Final answer
    x = 434,555,306.93

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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.