Home / 1,943,301,425.42-2,912,610,172.78-892,589,719.57

Finding the Fourth Proportional to 1,943,301,425.42, 2,912,610,172.78 and 892,589,719.57

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Solution

The fourth proportional to 1,943,301,425.42, 2,912,610,172.78 and 892,589,719.57 is: 1,337,808,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,301,425.42 : 2,912,610,172.78 = 892,589,719.57 : x
  2. Step 2: Convert to fraction form
    1,943,301,425.42/2,912,610,172.78 = 892,589,719.57/x
  3. Step 3: Cross multiply
    1,943,301,425.42x = 2,912,610,172.78 × 892,589,719.57
  4. Step 4: Simplify right side
    1,943,301,425.42x = 2,599,765,897,332,218,880
  5. Step 5: Solve for x
    x = 2,599,765,897,332,218,880/1,943,301,425.42
  6. Step 6: Final answer
    x = 1,337,808,876.85

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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.