Home / 1,049,076,102.70-1,448,378,380.77-667,813,260

Finding the Fourth Proportional to 1,049,076,102.70, 1,448,378,380.77 and 667,813,260

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Solution

The fourth proportional to 1,049,076,102.70, 1,448,378,380.77 and 667,813,260 is: 921,998,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,102.70 : 1,448,378,380.77 = 667,813,260 : x
  2. Step 2: Convert to fraction form
    1,049,076,102.70/1,448,378,380.77 = 667,813,260/x
  3. Step 3: Cross multiply
    1,049,076,102.70x = 1,448,378,380.77 × 667,813,260
  4. Step 4: Simplify right side
    1,049,076,102.70x = 967,246,288,175,534,976
  5. Step 5: Solve for x
    x = 967,246,288,175,534,976/1,049,076,102.70
  6. Step 6: Final answer
    x = 921,998,209.36

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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.