Home / 439,150,020.57-606,023,441.47-238,206,391.92

Finding the Fourth Proportional to 439,150,020.57, 606,023,441.47 and 238,206,391.92

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Solution

The fourth proportional to 439,150,020.57, 606,023,441.47 and 238,206,391.92 is: 328,722,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,150,020.57 : 606,023,441.47 = 238,206,391.92 : x
  2. Step 2: Convert to fraction form
    439,150,020.57/606,023,441.47 = 238,206,391.92/x
  3. Step 3: Cross multiply
    439,150,020.57x = 606,023,441.47 × 238,206,391.92
  4. Step 4: Simplify right side
    439,150,020.57x = 144,358,657,411,476,640
  5. Step 5: Solve for x
    x = 144,358,657,411,476,640/439,150,020.57
  6. Step 6: Final answer
    x = 328,722,875.21

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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.