Home / 889,387,400.48-1,227,354,729.03-492,935,985.68

Finding the Fourth Proportional to 889,387,400.48, 1,227,354,729.03 and 492,935,985.68

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Solution

The fourth proportional to 889,387,400.48, 1,227,354,729.03 and 492,935,985.68 is: 680,251,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,387,400.48 : 1,227,354,729.03 = 492,935,985.68 : x
  2. Step 2: Convert to fraction form
    889,387,400.48/1,227,354,729.03 = 492,935,985.68/x
  3. Step 3: Cross multiply
    889,387,400.48x = 1,227,354,729.03 × 492,935,985.68
  4. Step 4: Simplify right side
    889,387,400.48x = 605,007,313,127,275,648
  5. Step 5: Solve for x
    x = 605,007,313,127,275,648/889,387,400.48
  6. Step 6: Final answer
    x = 680,251,724.73

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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.