Home / 2,689,274,838.15-4,028,509,898.91-1,339,117,402.88

Finding the Fourth Proportional to 2,689,274,838.15, 4,028,509,898.91 and 1,339,117,402.88

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Solution

The fourth proportional to 2,689,274,838.15, 4,028,509,898.91 and 1,339,117,402.88 is: 2,005,986,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,274,838.15 : 4,028,509,898.91 = 1,339,117,402.88 : x
  2. Step 2: Convert to fraction form
    2,689,274,838.15/4,028,509,898.91 = 1,339,117,402.88/x
  3. Step 3: Cross multiply
    2,689,274,838.15x = 4,028,509,898.91 × 1,339,117,402.88
  4. Step 4: Simplify right side
    2,689,274,838.15x = 5,394,647,713,304,730,624
  5. Step 5: Solve for x
    x = 5,394,647,713,304,730,624/2,689,274,838.15
  6. Step 6: Final answer
    x = 2,005,986,014.06

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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.