Home / 889,386,998.62-1,227,354,174.48-492,935,583.28

Finding the Fourth Proportional to 889,386,998.62, 1,227,354,174.48 and 492,935,583.28

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Solution

The fourth proportional to 889,386,998.62, 1,227,354,174.48 and 492,935,583.28 is: 680,251,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,386,998.62 : 1,227,354,174.48 = 492,935,583.28 : x
  2. Step 2: Convert to fraction form
    889,386,998.62/1,227,354,174.48 = 492,935,583.28/x
  3. Step 3: Cross multiply
    889,386,998.62x = 1,227,354,174.48 × 492,935,583.28
  4. Step 4: Simplify right side
    889,386,998.62x = 605,006,545,888,441,728
  5. Step 5: Solve for x
    x = 605,006,545,888,441,728/889,386,998.62
  6. Step 6: Final answer
    x = 680,251,169.43

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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.