Home / 1,179,360,286.80-1,769,040,430.20-949,777,774.80

Finding the Fourth Proportional to 1,179,360,286.80, 1,769,040,430.20 and 949,777,774.80

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Solution

The fourth proportional to 1,179,360,286.80, 1,769,040,430.20 and 949,777,774.80 is: 1,424,666,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,360,286.80 : 1,769,040,430.20 = 949,777,774.80 : x
  2. Step 2: Convert to fraction form
    1,179,360,286.80/1,769,040,430.20 = 949,777,774.80/x
  3. Step 3: Cross multiply
    1,179,360,286.80x = 1,769,040,430.20 × 949,777,774.80
  4. Step 4: Simplify right side
    1,179,360,286.80x = 1,680,195,283,326,590,720
  5. Step 5: Solve for x
    x = 1,680,195,283,326,590,720/1,179,360,286.80
  6. Step 6: Final answer
    x = 1,424,666,662.20

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Double scale
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Similar ratio
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1.5x scale

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.