Home / 756,520,120.80-1,134,780,181.20-498,027,218.40

Finding the Fourth Proportional to 756,520,120.80, 1,134,780,181.20 and 498,027,218.40

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Solution

The fourth proportional to 756,520,120.80, 1,134,780,181.20 and 498,027,218.40 is: 747,040,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,520,120.80 : 1,134,780,181.20 = 498,027,218.40 : x
  2. Step 2: Convert to fraction form
    756,520,120.80/1,134,780,181.20 = 498,027,218.40/x
  3. Step 3: Cross multiply
    756,520,120.80x = 1,134,780,181.20 × 498,027,218.40
  4. Step 4: Simplify right side
    756,520,120.80x = 565,151,417,138,483,968
  5. Step 5: Solve for x
    x = 565,151,417,138,483,968/756,520,120.80
  6. Step 6: Final answer
    x = 747,040,827.60

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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.