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Finding the Fourth Proportional to 3,167,816,603.90, 4,751,906,493.68 and 838,693,063.90

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Solution

The fourth proportional to 3,167,816,603.90, 4,751,906,493.68 and 838,693,063.90 is: 1,258,087,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,816,603.90 : 4,751,906,493.68 = 838,693,063.90 : x
  2. Step 2: Convert to fraction form
    3,167,816,603.90/4,751,906,493.68 = 838,693,063.90/x
  3. Step 3: Cross multiply
    3,167,816,603.90x = 4,751,906,493.68 × 838,693,063.90
  4. Step 4: Simplify right side
    3,167,816,603.90x = 3,985,391,016,550,785,536
  5. Step 5: Solve for x
    x = 3,985,391,016,550,785,536/3,167,816,603.90
  6. Step 6: Final answer
    x = 1,258,087,672.01

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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.