Home / 911,088,025.20-1,366,632,037.80-419,800,345.20

Finding the Fourth Proportional to 911,088,025.20, 1,366,632,037.80 and 419,800,345.20

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Solution

The fourth proportional to 911,088,025.20, 1,366,632,037.80 and 419,800,345.20 is: 629,700,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,088,025.20 : 1,366,632,037.80 = 419,800,345.20 : x
  2. Step 2: Convert to fraction form
    911,088,025.20/1,366,632,037.80 = 419,800,345.20/x
  3. Step 3: Cross multiply
    911,088,025.20x = 1,366,632,037.80 × 419,800,345.20
  4. Step 4: Simplify right side
    911,088,025.20x = 573,712,601,229,819,392
  5. Step 5: Solve for x
    x = 573,712,601,229,819,392/911,088,025.20
  6. Step 6: Final answer
    x = 629,700,517.80

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Double scale
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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.