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Finding the Fourth Proportional to 1,875,978,145.80, 2,813,967,218.70 and 1,597,833,736.20

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Solution

The fourth proportional to 1,875,978,145.80, 2,813,967,218.70 and 1,597,833,736.20 is: 2,396,750,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,978,145.80 : 2,813,967,218.70 = 1,597,833,736.20 : x
  2. Step 2: Convert to fraction form
    1,875,978,145.80/2,813,967,218.70 = 1,597,833,736.20/x
  3. Step 3: Cross multiply
    1,875,978,145.80x = 2,813,967,218.70 × 1,597,833,736.20
  4. Step 4: Simplify right side
    1,875,978,145.80x = 4,496,251,754,599,743,488
  5. Step 5: Solve for x
    x = 4,496,251,754,599,743,488/1,875,978,145.80
  6. Step 6: Final answer
    x = 2,396,750,604.30

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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.