Home / 766,836,382.80-1,151,010,401.40-379,097,029.20

Finding the Fourth Proportional to 766,836,382.80, 1,151,010,401.40 and 379,097,029.20

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Solution

The fourth proportional to 766,836,382.80, 1,151,010,401.40 and 379,097,029.20 is: 569,019,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,836,382.80 : 1,151,010,401.40 = 379,097,029.20 : x
  2. Step 2: Convert to fraction form
    766,836,382.80/1,151,010,401.40 = 379,097,029.20/x
  3. Step 3: Cross multiply
    766,836,382.80x = 1,151,010,401.40 × 379,097,029.20
  4. Step 4: Simplify right side
    766,836,382.80x = 436,344,623,749,039,552
  5. Step 5: Solve for x
    x = 436,344,623,749,039,552/766,836,382.80
  6. Step 6: Final answer
    x = 569,019,198.28

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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.