Home / 680,804,367,083.55-1,021,206,550,625.30-412,624,783,288.35

Finding the Fourth Proportional to 680,804,367,083.55, 1,021,206,550,625.30 and 412,624,783,288.35

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Solution

The fourth proportional to 680,804,367,083.55, 1,021,206,550,625.30 and 412,624,783,288.35 is: 618,937,174,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,367,083.55 : 1,021,206,550,625.30 = 412,624,783,288.35 : x
  2. Step 2: Convert to fraction form
    680,804,367,083.55/1,021,206,550,625.30 = 412,624,783,288.35/x
  3. Step 3: Cross multiply
    680,804,367,083.55x = 1,021,206,550,625.30 × 412,624,783,288.35
  4. Step 4: Simplify right side
    680,804,367,083.55x = 421,375,131,644,407,863,836,672
  5. Step 5: Solve for x
    x = 421,375,131,644,407,863,836,672/680,804,367,083.55
  6. Step 6: Final answer
    x = 618,937,174,932.51

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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.