Home / 1,206,079,118.90-1,664,429,553.92-670,253,366.96

Finding the Fourth Proportional to 1,206,079,118.90, 1,664,429,553.92 and 670,253,366.96

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Solution

The fourth proportional to 1,206,079,118.90, 1,664,429,553.92 and 670,253,366.96 is: 924,972,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,079,118.90 : 1,664,429,553.92 = 670,253,366.96 : x
  2. Step 2: Convert to fraction form
    1,206,079,118.90/1,664,429,553.92 = 670,253,366.96/x
  3. Step 3: Cross multiply
    1,206,079,118.90x = 1,664,429,553.92 × 670,253,366.96
  4. Step 4: Simplify right side
    1,206,079,118.90x = 1,115,589,512,579,259,648
  5. Step 5: Solve for x
    x = 1,115,589,512,579,259,648/1,206,079,118.90
  6. Step 6: Final answer
    x = 924,972,081.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.