Home / 1,292,321,502,059.80-1,938,521,744,470.30-443,366,123,579.61

Finding the Fourth Proportional to 1,292,321,502,059.80, 1,938,521,744,470.30 and 443,366,123,579.61

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Solution

The fourth proportional to 1,292,321,502,059.80, 1,938,521,744,470.30 and 443,366,123,579.61 is: 665,062,733,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,321,502,059.80 : 1,938,521,744,470.30 = 443,366,123,579.61 : x
  2. Step 2: Convert to fraction form
    1,292,321,502,059.80/1,938,521,744,470.30 = 443,366,123,579.61/x
  3. Step 3: Cross multiply
    1,292,321,502,059.80x = 1,938,521,744,470.30 × 443,366,123,579.61
  4. Step 4: Simplify right side
    1,292,321,502,059.80x = 859,474,871,320,580,227,858,432
  5. Step 5: Solve for x
    x = 859,474,871,320,580,227,858,432/1,292,321,502,059.80
  6. Step 6: Final answer
    x = 665,062,733,964.18

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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.