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Finding the Fourth Proportional to 1,068,957,068.40, 1,498,580,629.20 and 1,068,957,068.40

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Solution

The fourth proportional to 1,068,957,068.40, 1,498,580,629.20 and 1,068,957,068.40 is: 1,498,580,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,957,068.40 : 1,498,580,629.20 = 1,068,957,068.40 : x
  2. Step 2: Convert to fraction form
    1,068,957,068.40/1,498,580,629.20 = 1,068,957,068.40/x
  3. Step 3: Cross multiply
    1,068,957,068.40x = 1,498,580,629.20 × 1,068,957,068.40
  4. Step 4: Simplify right side
    1,068,957,068.40x = 1,601,918,356,150,659,328
  5. Step 5: Solve for x
    x = 1,601,918,356,150,659,328/1,068,957,068.40
  6. Step 6: Final answer
    x = 1,498,580,629.20

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Double scale
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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.