Home / 2,028,881,619,077.70-2,799,858,435,439.70-1,115,414,128,517.80

Finding the Fourth Proportional to 2,028,881,619,077.70, 2,799,858,435,439.70 and 1,115,414,128,517.80

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Solution

The fourth proportional to 2,028,881,619,077.70, 2,799,858,435,439.70 and 1,115,414,128,517.80 is: 1,539,272,487,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,881,619,077.70 : 2,799,858,435,439.70 = 1,115,414,128,517.80 : x
  2. Step 2: Convert to fraction form
    2,028,881,619,077.70/2,799,858,435,439.70 = 1,115,414,128,517.80/x
  3. Step 3: Cross multiply
    2,028,881,619,077.70x = 2,799,858,435,439.70 × 1,115,414,128,517.80
  4. Step 4: Simplify right side
    2,028,881,619,077.70x = 3,123,001,656,739,184,307,601,408
  5. Step 5: Solve for x
    x = 3,123,001,656,739,184,307,601,408/2,028,881,619,077.70
  6. Step 6: Final answer
    x = 1,539,272,487,548.51

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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.