Home / 399,104,101.20-598,656,151.80-262,943,230.80

Finding the Fourth Proportional to 399,104,101.20, 598,656,151.80 and 262,943,230.80

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Solution

The fourth proportional to 399,104,101.20, 598,656,151.80 and 262,943,230.80 is: 394,414,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,104,101.20 : 598,656,151.80 = 262,943,230.80 : x
  2. Step 2: Convert to fraction form
    399,104,101.20/598,656,151.80 = 262,943,230.80/x
  3. Step 3: Cross multiply
    399,104,101.20x = 598,656,151.80 × 262,943,230.80
  4. Step 4: Simplify right side
    399,104,101.20x = 157,412,582,692,587,232
  5. Step 5: Solve for x
    x = 157,412,582,692,587,232/399,104,101.20
  6. Step 6: Final answer
    x = 394,414,846.20

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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.