Home / 1,987,663,481.20-2,981,467,228.20-897,144,799.60

Finding the Fourth Proportional to 1,987,663,481.20, 2,981,467,228.20 and 897,144,799.60

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Solution

The fourth proportional to 1,987,663,481.20, 2,981,467,228.20 and 897,144,799.60 is: 1,345,704,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,663,481.20 : 2,981,467,228.20 = 897,144,799.60 : x
  2. Step 2: Convert to fraction form
    1,987,663,481.20/2,981,467,228.20 = 897,144,799.60/x
  3. Step 3: Cross multiply
    1,987,663,481.20x = 2,981,467,228.20 × 897,144,799.60
  4. Step 4: Simplify right side
    1,987,663,481.20x = 2,674,807,818,957,456,384
  5. Step 5: Solve for x
    x = 2,674,807,818,957,456,384/1,987,663,481.20
  6. Step 6: Final answer
    x = 1,345,704,564.31

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1.5x scale

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.