Home / 291,612,860.80-437,419,291.20-170,381,910.40

Finding the Fourth Proportional to 291,612,860.80, 437,419,291.20 and 170,381,910.40

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Solution

The fourth proportional to 291,612,860.80, 437,419,291.20 and 170,381,910.40 is: 255,572,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,612,860.80 : 437,419,291.20 = 170,381,910.40 : x
  2. Step 2: Convert to fraction form
    291,612,860.80/437,419,291.20 = 170,381,910.40/x
  3. Step 3: Cross multiply
    291,612,860.80x = 437,419,291.20 × 170,381,910.40
  4. Step 4: Simplify right side
    291,612,860.80x = 74,528,334,480,469,904
  5. Step 5: Solve for x
    x = 74,528,334,480,469,904/291,612,860.80
  6. Step 6: Final answer
    x = 255,572,865.60

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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.