Home / 3,989,088,906.30-5,983,633,359.45-1,812,306,570.30

Finding the Fourth Proportional to 3,989,088,906.30, 5,983,633,359.45 and 1,812,306,570.30

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Solution

The fourth proportional to 3,989,088,906.30, 5,983,633,359.45 and 1,812,306,570.30 is: 2,718,459,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,906.30 : 5,983,633,359.45 = 1,812,306,570.30 : x
  2. Step 2: Convert to fraction form
    3,989,088,906.30/5,983,633,359.45 = 1,812,306,570.30/x
  3. Step 3: Cross multiply
    3,989,088,906.30x = 5,983,633,359.45 × 1,812,306,570.30
  4. Step 4: Simplify right side
    3,989,088,906.30x = 10,844,178,051,597,496,320
  5. Step 5: Solve for x
    x = 10,844,178,051,597,496,320/3,989,088,906.30
  6. Step 6: Final answer
    x = 2,718,459,855.45

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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.