Home / 2,812,218,076.90-4,219,146,197.92-1,259,146,191.52

Finding the Fourth Proportional to 2,812,218,076.90, 4,219,146,197.92 and 1,259,146,191.52

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Solution

The fourth proportional to 2,812,218,076.90, 4,219,146,197.92 and 1,259,146,191.52 is: 1,889,086,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,218,076.90 : 4,219,146,197.92 = 1,259,146,191.52 : x
  2. Step 2: Convert to fraction form
    2,812,218,076.90/4,219,146,197.92 = 1,259,146,191.52/x
  3. Step 3: Cross multiply
    2,812,218,076.90x = 4,219,146,197.92 × 1,259,146,191.52
  4. Step 4: Simplify right side
    2,812,218,076.90x = 5,312,521,866,555,961,344
  5. Step 5: Solve for x
    x = 5,312,521,866,555,961,344/2,812,218,076.90
  6. Step 6: Final answer
    x = 1,889,086,024.37

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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.