Home / 1,331,151,553.20-1,992,900,954.60-814,590,901.20

Finding the Fourth Proportional to 1,331,151,553.20, 1,992,900,954.60 and 814,590,901.20

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Solution

The fourth proportional to 1,331,151,553.20, 1,992,900,954.60 and 814,590,901.20 is: 1,219,544,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,151,553.20 : 1,992,900,954.60 = 814,590,901.20 : x
  2. Step 2: Convert to fraction form
    1,331,151,553.20/1,992,900,954.60 = 814,590,901.20/x
  3. Step 3: Cross multiply
    1,331,151,553.20x = 1,992,900,954.60 × 814,590,901.20
  4. Step 4: Simplify right side
    1,331,151,553.20x = 1,623,398,984,609,954,304
  5. Step 5: Solve for x
    x = 1,623,398,984,609,954,304/1,331,151,553.20
  6. Step 6: Final answer
    x = 1,219,544,822.46

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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.