Home / 366,979,543.65-550,469,315.48-203,720,868.45

Finding the Fourth Proportional to 366,979,543.65, 550,469,315.48 and 203,720,868.45

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Solution

The fourth proportional to 366,979,543.65, 550,469,315.48 and 203,720,868.45 is: 305,581,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979,543.65 : 550,469,315.48 = 203,720,868.45 : x
  2. Step 2: Convert to fraction form
    366,979,543.65/550,469,315.48 = 203,720,868.45/x
  3. Step 3: Cross multiply
    366,979,543.65x = 550,469,315.48 × 203,720,868.45
  4. Step 4: Simplify right side
    366,979,543.65x = 112,142,087,003,644,016
  5. Step 5: Solve for x
    x = 112,142,087,003,644,016/366,979,543.65
  6. Step 6: Final answer
    x = 305,581,302.68

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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.