Home / 1,294,082,187.20-1,941,123,280.80-987,972,171.20

Finding the Fourth Proportional to 1,294,082,187.20, 1,941,123,280.80 and 987,972,171.20

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Solution

The fourth proportional to 1,294,082,187.20, 1,941,123,280.80 and 987,972,171.20 is: 1,481,958,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,082,187.20 : 1,941,123,280.80 = 987,972,171.20 : x
  2. Step 2: Convert to fraction form
    1,294,082,187.20/1,941,123,280.80 = 987,972,171.20/x
  3. Step 3: Cross multiply
    1,294,082,187.20x = 1,941,123,280.80 × 987,972,171.20
  4. Step 4: Simplify right side
    1,294,082,187.20x = 1,917,775,782,298,843,392
  5. Step 5: Solve for x
    x = 1,917,775,782,298,843,392/1,294,082,187.20
  6. Step 6: Final answer
    x = 1,481,958,256.80

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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.