Home / 240,505,572.60-360,758,358.90-206,068,195.80

Finding the Fourth Proportional to 240,505,572.60, 360,758,358.90 and 206,068,195.80

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Solution

The fourth proportional to 240,505,572.60, 360,758,358.90 and 206,068,195.80 is: 309,102,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,505,572.60 : 360,758,358.90 = 206,068,195.80 : x
  2. Step 2: Convert to fraction form
    240,505,572.60/360,758,358.90 = 206,068,195.80/x
  3. Step 3: Cross multiply
    240,505,572.60x = 360,758,358.90 × 206,068,195.80
  4. Step 4: Simplify right side
    240,505,572.60x = 74,340,824,138,291,872
  5. Step 5: Solve for x
    x = 74,340,824,138,291,872/240,505,572.60
  6. Step 6: Final answer
    x = 309,102,293.70

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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.