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Finding the Fourth Proportional to 1,955,070,720.92, 2,697,978,626.88 and 1,062,997,435.28

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Solution

The fourth proportional to 1,955,070,720.92, 2,697,978,626.88 and 1,062,997,435.28 is: 1,466,926,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,070,720.92 : 2,697,978,626.88 = 1,062,997,435.28 : x
  2. Step 2: Convert to fraction form
    1,955,070,720.92/2,697,978,626.88 = 1,062,997,435.28/x
  3. Step 3: Cross multiply
    1,955,070,720.92x = 2,697,978,626.88 × 1,062,997,435.28
  4. Step 4: Simplify right side
    1,955,070,720.92x = 2,867,944,360,816,507,904
  5. Step 5: Solve for x
    x = 2,867,944,360,816,507,904/1,955,070,720.92
  6. Step 6: Final answer
    x = 1,466,926,147.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.