Home / 1,992,344,105.30-2,980,454,001.15-1,750,479,401.30

Finding the Fourth Proportional to 1,992,344,105.30, 2,980,454,001.15 and 1,750,479,401.30

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Solution

The fourth proportional to 1,992,344,105.30, 2,980,454,001.15 and 1,750,479,401.30 is: 2,618,635,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,344,105.30 : 2,980,454,001.15 = 1,750,479,401.30 : x
  2. Step 2: Convert to fraction form
    1,992,344,105.30/2,980,454,001.15 = 1,750,479,401.30/x
  3. Step 3: Cross multiply
    1,992,344,105.30x = 2,980,454,001.15 × 1,750,479,401.30
  4. Step 4: Simplify right side
    1,992,344,105.30x = 5,217,223,335,535,241,216
  5. Step 5: Solve for x
    x = 5,217,223,335,535,241,216/1,992,344,105.30
  6. Step 6: Final answer
    x = 2,618,635,667.23

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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.