Home / 387,101,286.20-580,651,929.30-171,690,534.20

Finding the Fourth Proportional to 387,101,286.20, 580,651,929.30 and 171,690,534.20

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Solution

The fourth proportional to 387,101,286.20, 580,651,929.30 and 171,690,534.20 is: 257,535,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,101,286.20 : 580,651,929.30 = 171,690,534.20 : x
  2. Step 2: Convert to fraction form
    387,101,286.20/580,651,929.30 = 171,690,534.20/x
  3. Step 3: Cross multiply
    387,101,286.20x = 580,651,929.30 × 171,690,534.20
  4. Step 4: Simplify right side
    387,101,286.20x = 99,692,439,925,777,616
  5. Step 5: Solve for x
    x = 99,692,439,925,777,616/387,101,286.20
  6. Step 6: Final answer
    x = 257,535,801.30

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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.