Home / 2,812,218,079.65-4,219,146,202.05-1,259,146,194.27

Finding the Fourth Proportional to 2,812,218,079.65, 4,219,146,202.05 and 1,259,146,194.27

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Solution

The fourth proportional to 2,812,218,079.65, 4,219,146,202.05 and 1,259,146,194.27 is: 1,889,086,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,218,079.65 : 4,219,146,202.05 = 1,259,146,194.27 : x
  2. Step 2: Convert to fraction form
    2,812,218,079.65/4,219,146,202.05 = 1,259,146,194.27/x
  3. Step 3: Cross multiply
    2,812,218,079.65x = 4,219,146,202.05 × 1,259,146,194.27
  4. Step 4: Simplify right side
    2,812,218,079.65x = 5,312,521,883,379,982,336
  5. Step 5: Solve for x
    x = 5,312,521,883,379,982,336/2,812,218,079.65
  6. Step 6: Final answer
    x = 1,889,086,028.51

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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.