Home / 551,278,922.40-760,798,800.72-303,760,211.04

Finding the Fourth Proportional to 551,278,922.40, 760,798,800.72 and 303,760,211.04

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Solution

The fourth proportional to 551,278,922.40, 760,798,800.72 and 303,760,211.04 is: 419,207,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,278,922.40 : 760,798,800.72 = 303,760,211.04 : x
  2. Step 2: Convert to fraction form
    551,278,922.40/760,798,800.72 = 303,760,211.04/x
  3. Step 3: Cross multiply
    551,278,922.40x = 760,798,800.72 × 303,760,211.04
  4. Step 4: Simplify right side
    551,278,922.40x = 231,100,404,265,686,144
  5. Step 5: Solve for x
    x = 231,100,404,265,686,144/551,278,922.40
  6. Step 6: Final answer
    x = 419,207,763.76

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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.