Home / 374,078,764.80-516,213,443.88-206,804,379.60

Finding the Fourth Proportional to 374,078,764.80, 516,213,443.88 and 206,804,379.60

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Solution

The fourth proportional to 374,078,764.80, 516,213,443.88 and 206,804,379.60 is: 285,381,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,078,764.80 : 516,213,443.88 = 206,804,379.60 : x
  2. Step 2: Convert to fraction form
    374,078,764.80/516,213,443.88 = 206,804,379.60/x
  3. Step 3: Cross multiply
    374,078,764.80x = 516,213,443.88 × 206,804,379.60
  4. Step 4: Simplify right side
    374,078,764.80x = 106,755,201,002,782,816
  5. Step 5: Solve for x
    x = 106,755,201,002,782,816/374,078,764.80
  6. Step 6: Final answer
    x = 285,381,612.24

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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.