Home / 681,160,695.60-1,021,741,043.40-298,954,743.60

Finding the Fourth Proportional to 681,160,695.60, 1,021,741,043.40 and 298,954,743.60

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Solution

The fourth proportional to 681,160,695.60, 1,021,741,043.40 and 298,954,743.60 is: 448,432,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,160,695.60 : 1,021,741,043.40 = 298,954,743.60 : x
  2. Step 2: Convert to fraction form
    681,160,695.60/1,021,741,043.40 = 298,954,743.60/x
  3. Step 3: Cross multiply
    681,160,695.60x = 1,021,741,043.40 × 298,954,743.60
  4. Step 4: Simplify right side
    681,160,695.60x = 305,454,331,655,243,520
  5. Step 5: Solve for x
    x = 305,454,331,655,243,520/681,160,695.60
  6. Step 6: Final answer
    x = 448,432,115.40

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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.