Home / 15,820,227,176.21-21,831,935,122.56-8,586,274,764.63

Finding the Fourth Proportional to 15,820,227,176.21, 21,831,935,122.56 and 8,586,274,764.63

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Solution

The fourth proportional to 15,820,227,176.21, 21,831,935,122.56 and 8,586,274,764.63 is: 11,849,070,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,176.21 : 21,831,935,122.56 = 8,586,274,764.63 : x
  2. Step 2: Convert to fraction form
    15,820,227,176.21/21,831,935,122.56 = 8,586,274,764.63/x
  3. Step 3: Cross multiply
    15,820,227,176.21x = 21,831,935,122.56 × 8,586,274,764.63
  4. Step 4: Simplify right side
    15,820,227,176.21x = 187,454,993,605,876,318,208
  5. Step 5: Solve for x
    x = 187,454,993,605,876,318,208/15,820,227,176.21
  6. Step 6: Final answer
    x = 11,849,070,908.91

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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.