Home / 3,928,007,092.12-5,892,786,818.82-1,440,891,112.77

Finding the Fourth Proportional to 3,928,007,092.12, 5,892,786,818.82 and 1,440,891,112.77

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Solution

The fourth proportional to 3,928,007,092.12, 5,892,786,818.82 and 1,440,891,112.77 is: 2,161,621,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,007,092.12 : 5,892,786,818.82 = 1,440,891,112.77 : x
  2. Step 2: Convert to fraction form
    3,928,007,092.12/5,892,786,818.82 = 1,440,891,112.77/x
  3. Step 3: Cross multiply
    3,928,007,092.12x = 5,892,786,818.82 × 1,440,891,112.77
  4. Step 4: Simplify right side
    3,928,007,092.12x = 8,490,864,156,685,937,664
  5. Step 5: Solve for x
    x = 8,490,864,156,685,937,664/3,928,007,092.12
  6. Step 6: Final answer
    x = 2,161,621,391.60

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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.