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Finding the Fourth Proportional to 949,158,001.40, 1,329,728,194.60 and 949,158,001.40

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Solution

The fourth proportional to 949,158,001.40, 1,329,728,194.60 and 949,158,001.40 is: 1,329,728,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,158,001.40 : 1,329,728,194.60 = 949,158,001.40 : x
  2. Step 2: Convert to fraction form
    949,158,001.40/1,329,728,194.60 = 949,158,001.40/x
  3. Step 3: Cross multiply
    949,158,001.40x = 1,329,728,194.60 × 949,158,001.40
  4. Step 4: Simplify right side
    949,158,001.40x = 1,262,122,155,591,766,272
  5. Step 5: Solve for x
    x = 1,262,122,155,591,766,272/949,158,001.40
  6. Step 6: Final answer
    x = 1,329,728,194.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.