Home / 363,969,790.80-545,954,686.20-202,411,726.80

Finding the Fourth Proportional to 363,969,790.80, 545,954,686.20 and 202,411,726.80

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Solution

The fourth proportional to 363,969,790.80, 545,954,686.20 and 202,411,726.80 is: 303,617,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,969,790.80 : 545,954,686.20 = 202,411,726.80 : x
  2. Step 2: Convert to fraction form
    363,969,790.80/545,954,686.20 = 202,411,726.80/x
  3. Step 3: Cross multiply
    363,969,790.80x = 545,954,686.20 × 202,411,726.80
  4. Step 4: Simplify right side
    363,969,790.80x = 110,507,630,788,294,144
  5. Step 5: Solve for x
    x = 110,507,630,788,294,144/363,969,790.80
  6. Step 6: Final answer
    x = 303,617,590.20

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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.