Home / 31,427,561,126.28-43,363,560,123.54-18,058,971,452.52

Finding the Fourth Proportional to 31,427,561,126.28, 43,363,560,123.54 and 18,058,971,452.52

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Solution

The fourth proportional to 31,427,561,126.28, 43,363,560,123.54 and 18,058,971,452.52 is: 24,917,660,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427,561,126.28 : 43,363,560,123.54 = 18,058,971,452.52 : x
  2. Step 2: Convert to fraction form
    31,427,561,126.28/43,363,560,123.54 = 18,058,971,452.52/x
  3. Step 3: Cross multiply
    31,427,561,126.28x = 43,363,560,123.54 × 18,058,971,452.52
  4. Step 4: Simplify right side
    31,427,561,126.28x = 783,101,294,350,643,494,912
  5. Step 5: Solve for x
    x = 783,101,294,350,643,494,912/31,427,561,126.28
  6. Step 6: Final answer
    x = 24,917,660,368.36

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Double scale
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1.5x scale

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.