Home / 263,239,570.80-394,859,356.20-186,712,066.80

Finding the Fourth Proportional to 263,239,570.80, 394,859,356.20 and 186,712,066.80

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Solution

The fourth proportional to 263,239,570.80, 394,859,356.20 and 186,712,066.80 is: 280,068,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,239,570.80 : 394,859,356.20 = 186,712,066.80 : x
  2. Step 2: Convert to fraction form
    263,239,570.80/394,859,356.20 = 186,712,066.80/x
  3. Step 3: Cross multiply
    263,239,570.80x = 394,859,356.20 × 186,712,066.80
  4. Step 4: Simplify right side
    263,239,570.80x = 73,725,006,491,419,392
  5. Step 5: Solve for x
    x = 73,725,006,491,419,392/263,239,570.80
  6. Step 6: Final answer
    x = 280,068,100.20

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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.