Home / 296,946,736.40-445,420,104.60-200,200,854.80

Finding the Fourth Proportional to 296,946,736.40, 445,420,104.60 and 200,200,854.80

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Solution

The fourth proportional to 296,946,736.40, 445,420,104.60 and 200,200,854.80 is: 300,301,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,946,736.40 : 445,420,104.60 = 200,200,854.80 : x
  2. Step 2: Convert to fraction form
    296,946,736.40/445,420,104.60 = 200,200,854.80/x
  3. Step 3: Cross multiply
    296,946,736.40x = 445,420,104.60 × 200,200,854.80
  4. Step 4: Simplify right side
    296,946,736.40x = 89,173,485,686,025,424
  5. Step 5: Solve for x
    x = 89,173,485,686,025,424/296,946,736.40
  6. Step 6: Final answer
    x = 300,301,282.20

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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.