Home / 664,340,411.20-996,510,616.80-276,034,187.20

Finding the Fourth Proportional to 664,340,411.20, 996,510,616.80 and 276,034,187.20

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Solution

The fourth proportional to 664,340,411.20, 996,510,616.80 and 276,034,187.20 is: 414,051,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,340,411.20 : 996,510,616.80 = 276,034,187.20 : x
  2. Step 2: Convert to fraction form
    664,340,411.20/996,510,616.80 = 276,034,187.20/x
  3. Step 3: Cross multiply
    664,340,411.20x = 996,510,616.80 × 276,034,187.20
  4. Step 4: Simplify right side
    664,340,411.20x = 275,070,998,144,558,624
  5. Step 5: Solve for x
    x = 275,070,998,144,558,624/664,340,411.20
  6. Step 6: Final answer
    x = 414,051,280.80

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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.