Home / 814,293,998,711.40-1,123,776,752,261.90-448,488,129,259.95

Finding the Fourth Proportional to 814,293,998,711.40, 1,123,776,752,261.90 and 448,488,129,259.95

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Solution

The fourth proportional to 814,293,998,711.40, 1,123,776,752,261.90 and 448,488,129,259.95 is: 618,941,726,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,293,998,711.40 : 1,123,776,752,261.90 = 448,488,129,259.95 : x
  2. Step 2: Convert to fraction form
    814,293,998,711.40/1,123,776,752,261.90 = 448,488,129,259.95/x
  3. Step 3: Cross multiply
    814,293,998,711.40x = 1,123,776,752,261.90 × 448,488,129,259.95
  4. Step 4: Simplify right side
    814,293,998,711.40x = 504,000,533,327,761,767,399,424
  5. Step 5: Solve for x
    x = 504,000,533,327,761,767,399,424/814,293,998,711.40
  6. Step 6: Final answer
    x = 618,941,726,360.91

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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.