Home / 363,420,713.10-545,131,069.65-218,301,890.70

Finding the Fourth Proportional to 363,420,713.10, 545,131,069.65 and 218,301,890.70

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Solution

The fourth proportional to 363,420,713.10, 545,131,069.65 and 218,301,890.70 is: 327,452,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,420,713.10 : 545,131,069.65 = 218,301,890.70 : x
  2. Step 2: Convert to fraction form
    363,420,713.10/545,131,069.65 = 218,301,890.70/x
  3. Step 3: Cross multiply
    363,420,713.10x = 545,131,069.65 × 218,301,890.70
  4. Step 4: Simplify right side
    363,420,713.10x = 119,003,143,183,908,368
  5. Step 5: Solve for x
    x = 119,003,143,183,908,368/363,420,713.10
  6. Step 6: Final answer
    x = 327,452,836.05

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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.