Home / 409,542,781.60-614,650,095.60-396,105,853.60

Finding the Fourth Proportional to 409,542,781.60, 614,650,095.60 and 396,105,853.60

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Solution

The fourth proportional to 409,542,781.60, 614,650,095.60 and 396,105,853.60 is: 594,483,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,542,781.60 : 614,650,095.60 = 396,105,853.60 : x
  2. Step 2: Convert to fraction form
    409,542,781.60/614,650,095.60 = 396,105,853.60/x
  3. Step 3: Cross multiply
    409,542,781.60x = 614,650,095.60 × 396,105,853.60
  4. Step 4: Simplify right side
    409,542,781.60x = 243,466,500,782,959,616
  5. Step 5: Solve for x
    x = 243,466,500,782,959,616/409,542,781.60
  6. Step 6: Final answer
    x = 594,483,682.10

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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.