Home / 1,206,253,662.75-1,664,701,160.04-908,370,353.43

Finding the Fourth Proportional to 1,206,253,662.75, 1,664,701,160.04 and 908,370,353.43

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Solution

The fourth proportional to 1,206,253,662.75, 1,664,701,160.04 and 908,370,353.43 is: 1,253,604,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,253,662.75 : 1,664,701,160.04 = 908,370,353.43 : x
  2. Step 2: Convert to fraction form
    1,206,253,662.75/1,664,701,160.04 = 908,370,353.43/x
  3. Step 3: Cross multiply
    1,206,253,662.75x = 1,664,701,160.04 × 908,370,353.43
  4. Step 4: Simplify right side
    1,206,253,662.75x = 1,512,165,181,100,865,792
  5. Step 5: Solve for x
    x = 1,512,165,181,100,865,792/1,206,253,662.75
  6. Step 6: Final answer
    x = 1,253,604,633.75

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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.