Home / 255,647,349.60-383,471,024.40-158,712,511.20

Finding the Fourth Proportional to 255,647,349.60, 383,471,024.40 and 158,712,511.20

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Solution

The fourth proportional to 255,647,349.60, 383,471,024.40 and 158,712,511.20 is: 238,068,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,647,349.60 : 383,471,024.40 = 158,712,511.20 : x
  2. Step 2: Convert to fraction form
    255,647,349.60/383,471,024.40 = 158,712,511.20/x
  3. Step 3: Cross multiply
    255,647,349.60x = 383,471,024.40 × 158,712,511.20
  4. Step 4: Simplify right side
    255,647,349.60x = 60,861,649,254,960,464
  5. Step 5: Solve for x
    x = 60,861,649,254,960,464/255,647,349.60
  6. Step 6: Final answer
    x = 238,068,766.80

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1.5x scale

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.