Home / 668,727,781.20-1,002,241,366.20-322,936,837.20

Finding the Fourth Proportional to 668,727,781.20, 1,002,241,366.20 and 322,936,837.20

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Solution

The fourth proportional to 668,727,781.20, 1,002,241,366.20 and 322,936,837.20 is: 483,994,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,727,781.20 : 1,002,241,366.20 = 322,936,837.20 : x
  2. Step 2: Convert to fraction form
    668,727,781.20/1,002,241,366.20 = 322,936,837.20/x
  3. Step 3: Cross multiply
    668,727,781.20x = 1,002,241,366.20 × 322,936,837.20
  4. Step 4: Simplify right side
    668,727,781.20x = 323,660,656,911,635,008
  5. Step 5: Solve for x
    x = 323,660,656,911,635,008/668,727,781.20
  6. Step 6: Final answer
    x = 483,994,632.81

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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.