Home / 474,876,080.80-712,314,121.20-394,254,512.80

Finding the Fourth Proportional to 474,876,080.80, 712,314,121.20 and 394,254,512.80

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Solution

The fourth proportional to 474,876,080.80, 712,314,121.20 and 394,254,512.80 is: 591,381,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,876,080.80 : 712,314,121.20 = 394,254,512.80 : x
  2. Step 2: Convert to fraction form
    474,876,080.80/712,314,121.20 = 394,254,512.80/x
  3. Step 3: Cross multiply
    474,876,080.80x = 712,314,121.20 × 394,254,512.80
  4. Step 4: Simplify right side
    474,876,080.80x = 280,833,056,814,266,176
  5. Step 5: Solve for x
    x = 280,833,056,814,266,176/474,876,080.80
  6. Step 6: Final answer
    x = 591,381,769.20

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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.