Home / 3,928,007,116.91-5,892,786,856.04-1,440,891,137.76

Finding the Fourth Proportional to 3,928,007,116.91, 5,892,786,856.04 and 1,440,891,137.76

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Solution

The fourth proportional to 3,928,007,116.91, 5,892,786,856.04 and 1,440,891,137.76 is: 2,161,621,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,007,116.91 : 5,892,786,856.04 = 1,440,891,137.76 : x
  2. Step 2: Convert to fraction form
    3,928,007,116.91/5,892,786,856.04 = 1,440,891,137.76/x
  3. Step 3: Cross multiply
    3,928,007,116.91x = 5,892,786,856.04 × 1,440,891,137.76
  4. Step 4: Simplify right side
    3,928,007,116.91x = 8,490,864,357,569,443,840
  5. Step 5: Solve for x
    x = 8,490,864,357,569,443,840/3,928,007,116.91
  6. Step 6: Final answer
    x = 2,161,621,429.10

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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.