Home / 526,545,821.20-789,818,731.80-254,448,029.20

Finding the Fourth Proportional to 526,545,821.20, 789,818,731.80 and 254,448,029.20

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Solution

The fourth proportional to 526,545,821.20, 789,818,731.80 and 254,448,029.20 is: 381,672,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,545,821.20 : 789,818,731.80 = 254,448,029.20 : x
  2. Step 2: Convert to fraction form
    526,545,821.20/789,818,731.80 = 254,448,029.20/x
  3. Step 3: Cross multiply
    526,545,821.20x = 789,818,731.80 × 254,448,029.20
  4. Step 4: Simplify right side
    526,545,821.20x = 200,967,819,731,753,344
  5. Step 5: Solve for x
    x = 200,967,819,731,753,344/526,545,821.20
  6. Step 6: Final answer
    x = 381,672,043.80

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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.