Home / 1,299,095,015.40-1,948,642,523.10-885,846,493.80

Finding the Fourth Proportional to 1,299,095,015.40, 1,948,642,523.10 and 885,846,493.80

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Solution

The fourth proportional to 1,299,095,015.40, 1,948,642,523.10 and 885,846,493.80 is: 1,328,769,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,095,015.40 : 1,948,642,523.10 = 885,846,493.80 : x
  2. Step 2: Convert to fraction form
    1,299,095,015.40/1,948,642,523.10 = 885,846,493.80/x
  3. Step 3: Cross multiply
    1,299,095,015.40x = 1,948,642,523.10 × 885,846,493.80
  4. Step 4: Simplify right side
    1,299,095,015.40x = 1,726,198,146,757,720,320
  5. Step 5: Solve for x
    x = 1,726,198,146,757,720,320/1,299,095,015.40
  6. Step 6: Final answer
    x = 1,328,769,740.70

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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.