Home / 912,760,313,488.71-1,369,184,504,213.40-300,126,310,230.79

Finding the Fourth Proportional to 912,760,313,488.71, 1,369,184,504,213.40 and 300,126,310,230.79

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Solution

The fourth proportional to 912,760,313,488.71, 1,369,184,504,213.40 and 300,126,310,230.79 is: 450,203,944,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,760,313,488.71 : 1,369,184,504,213.40 = 300,126,310,230.79 : x
  2. Step 2: Convert to fraction form
    912,760,313,488.71/1,369,184,504,213.40 = 300,126,310,230.79/x
  3. Step 3: Cross multiply
    912,760,313,488.71x = 1,369,184,504,213.40 × 300,126,310,230.79
  4. Step 4: Simplify right side
    912,760,313,488.71x = 410,928,293,274,741,240,758,272
  5. Step 5: Solve for x
    x = 410,928,293,274,741,240,758,272/912,760,313,488.71
  6. Step 6: Final answer
    x = 450,203,944,236.04

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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.