Home / 345,151,553.76-515,836,113.54-251,974,741.95

Finding the Fourth Proportional to 345,151,553.76, 515,836,113.54 and 251,974,741.95

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Solution

The fourth proportional to 345,151,553.76, 515,836,113.54 and 251,974,741.95 is: 376,581,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151,553.76 : 515,836,113.54 = 251,974,741.95 : x
  2. Step 2: Convert to fraction form
    345,151,553.76/515,836,113.54 = 251,974,741.95/x
  3. Step 3: Cross multiply
    345,151,553.76x = 515,836,113.54 × 251,974,741.95
  4. Step 4: Simplify right side
    345,151,553.76x = 129,977,671,597,732,400
  5. Step 5: Solve for x
    x = 129,977,671,597,732,400/345,151,553.76
  6. Step 6: Final answer
    x = 376,581,447.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.