Home / 366,920,821.64-506,344,327.26-199,651,439.72

Finding the Fourth Proportional to 366,920,821.64, 506,344,327.26 and 199,651,439.72

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Solution

The fourth proportional to 366,920,821.64, 506,344,327.26 and 199,651,439.72 is: 275,515,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920,821.64 : 506,344,327.26 = 199,651,439.72 : x
  2. Step 2: Convert to fraction form
    366,920,821.64/506,344,327.26 = 199,651,439.72/x
  3. Step 3: Cross multiply
    366,920,821.64x = 506,344,327.26 × 199,651,439.72
  4. Step 4: Simplify right side
    366,920,821.64x = 101,092,373,931,513,840
  5. Step 5: Solve for x
    x = 101,092,373,931,513,840/366,920,821.64
  6. Step 6: Final answer
    x = 275,515,500.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.