Home / 378,707,363.20-568,061,044.80-163,296,611.20

Finding the Fourth Proportional to 378,707,363.20, 568,061,044.80 and 163,296,611.20

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Solution

The fourth proportional to 378,707,363.20, 568,061,044.80 and 163,296,611.20 is: 244,944,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,707,363.20 : 568,061,044.80 = 163,296,611.20 : x
  2. Step 2: Convert to fraction form
    378,707,363.20/568,061,044.80 = 163,296,611.20/x
  3. Step 3: Cross multiply
    378,707,363.20x = 568,061,044.80 × 163,296,611.20
  4. Step 4: Simplify right side
    378,707,363.20x = 92,762,443,570,571,360
  5. Step 5: Solve for x
    x = 92,762,443,570,571,360/378,707,363.20
  6. Step 6: Final answer
    x = 244,944,916.80

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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.