Home / 500,969,011.52-751,690,998.24-242,039,101.76

Finding the Fourth Proportional to 500,969,011.52, 751,690,998.24 and 242,039,101.76

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Solution

The fourth proportional to 500,969,011.52, 751,690,998.24 and 242,039,101.76 is: 363,173,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,969,011.52 : 751,690,998.24 = 242,039,101.76 : x
  2. Step 2: Convert to fraction form
    500,969,011.52/751,690,998.24 = 242,039,101.76/x
  3. Step 3: Cross multiply
    500,969,011.52x = 751,690,998.24 × 242,039,101.76
  4. Step 4: Simplify right side
    500,969,011.52x = 181,938,614,015,087,328
  5. Step 5: Solve for x
    x = 181,938,614,015,087,328/500,969,011.52
  6. Step 6: Final answer
    x = 363,173,389.63

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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.