Home / 911,008,095.60-1,366,512,143.40-667,351,801.20

Finding the Fourth Proportional to 911,008,095.60, 1,366,512,143.40 and 667,351,801.20

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Solution

The fourth proportional to 911,008,095.60, 1,366,512,143.40 and 667,351,801.20 is: 1,001,027,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,008,095.60 : 1,366,512,143.40 = 667,351,801.20 : x
  2. Step 2: Convert to fraction form
    911,008,095.60/1,366,512,143.40 = 667,351,801.20/x
  3. Step 3: Cross multiply
    911,008,095.60x = 1,366,512,143.40 × 667,351,801.20
  4. Step 4: Simplify right side
    911,008,095.60x = 911,944,340,259,662,848
  5. Step 5: Solve for x
    x = 911,944,340,259,662,848/911,008,095.60
  6. Step 6: Final answer
    x = 1,001,027,701.80

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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.