Home / 889,387,000.62-1,227,354,177.24-492,935,585.28

Finding the Fourth Proportional to 889,387,000.62, 1,227,354,177.24 and 492,935,585.28

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Solution

The fourth proportional to 889,387,000.62, 1,227,354,177.24 and 492,935,585.28 is: 680,251,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,387,000.62 : 1,227,354,177.24 = 492,935,585.28 : x
  2. Step 2: Convert to fraction form
    889,387,000.62/1,227,354,177.24 = 492,935,585.28/x
  3. Step 3: Cross multiply
    889,387,000.62x = 1,227,354,177.24 × 492,935,585.28
  4. Step 4: Simplify right side
    889,387,000.62x = 605,006,549,703,652,224
  5. Step 5: Solve for x
    x = 605,006,549,703,652,224/889,387,000.62
  6. Step 6: Final answer
    x = 680,251,172.19

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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.