Home / 439,150,026.81-606,023,450.05-238,206,398.19

Finding the Fourth Proportional to 439,150,026.81, 606,023,450.05 and 238,206,398.19

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Solution

The fourth proportional to 439,150,026.81, 606,023,450.05 and 238,206,398.19 is: 328,722,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,150,026.81 : 606,023,450.05 = 238,206,398.19 : x
  2. Step 2: Convert to fraction form
    439,150,026.81/606,023,450.05 = 238,206,398.19/x
  3. Step 3: Cross multiply
    439,150,026.81x = 606,023,450.05 × 238,206,398.19
  4. Step 4: Simplify right side
    439,150,026.81x = 144,358,663,255,087,872
  5. Step 5: Solve for x
    x = 144,358,663,255,087,872/439,150,026.81
  6. Step 6: Final answer
    x = 328,722,883.85

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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.