Home / 5,719,320,043.28-8,580,363,065.40-1,988,072,772.56

Finding the Fourth Proportional to 5,719,320,043.28, 8,580,363,065.40 and 1,988,072,772.56

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Solution

The fourth proportional to 5,719,320,043.28, 8,580,363,065.40 and 1,988,072,772.56 is: 2,982,589,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719,320,043.28 : 8,580,363,065.40 = 1,988,072,772.56 : x
  2. Step 2: Convert to fraction form
    5,719,320,043.28/8,580,363,065.40 = 1,988,072,772.56/x
  3. Step 3: Cross multiply
    5,719,320,043.28x = 8,580,363,065.40 × 1,988,072,772.56
  4. Step 4: Simplify right side
    5,719,320,043.28x = 17,058,386,189,001,197,568
  5. Step 5: Solve for x
    x = 17,058,386,189,001,197,568/5,719,320,043.28
  6. Step 6: Final answer
    x = 2,982,589,898.78

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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.