Home / 889,386,997.62-1,227,354,173.10-492,935,582.28

Finding the Fourth Proportional to 889,386,997.62, 1,227,354,173.10 and 492,935,582.28

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Solution

The fourth proportional to 889,386,997.62, 1,227,354,173.10 and 492,935,582.28 is: 680,251,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,386,997.62 : 1,227,354,173.10 = 492,935,582.28 : x
  2. Step 2: Convert to fraction form
    889,386,997.62/1,227,354,173.10 = 492,935,582.28/x
  3. Step 3: Cross multiply
    889,386,997.62x = 1,227,354,173.10 × 492,935,582.28
  4. Step 4: Simplify right side
    889,386,997.62x = 605,006,543,980,836,352
  5. Step 5: Solve for x
    x = 605,006,543,980,836,352/889,386,997.62
  6. Step 6: Final answer
    x = 680,251,168.05

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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.