Home / 15,820,227,177.20-21,831,935,123.94-8,586,274,765.63

Finding the Fourth Proportional to 15,820,227,177.20, 21,831,935,123.94 and 8,586,274,765.63

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Solution

The fourth proportional to 15,820,227,177.20, 21,831,935,123.94 and 8,586,274,765.63 is: 11,849,070,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,177.20 : 21,831,935,123.94 = 8,586,274,765.63 : x
  2. Step 2: Convert to fraction form
    15,820,227,177.20/21,831,935,123.94 = 8,586,274,765.63/x
  3. Step 3: Cross multiply
    15,820,227,177.20x = 21,831,935,123.94 × 8,586,274,765.63
  4. Step 4: Simplify right side
    15,820,227,177.20x = 187,454,993,639,557,267,456
  5. Step 5: Solve for x
    x = 187,454,993,639,557,267,456/15,820,227,177.20
  6. Step 6: Final answer
    x = 11,849,070,910.29

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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.