Home / 1,382,618,847.40-2,073,662,850.30-413,302,085.80

Finding the Fourth Proportional to 1,382,618,847.40, 2,073,662,850.30 and 413,302,085.80

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Solution

The fourth proportional to 1,382,618,847.40, 2,073,662,850.30 and 413,302,085.80 is: 619,873,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,618,847.40 : 2,073,662,850.30 = 413,302,085.80 : x
  2. Step 2: Convert to fraction form
    1,382,618,847.40/2,073,662,850.30 = 413,302,085.80/x
  3. Step 3: Cross multiply
    1,382,618,847.40x = 2,073,662,850.30 × 413,302,085.80
  4. Step 4: Simplify right side
    1,382,618,847.40x = 857,049,181,274,963,200
  5. Step 5: Solve for x
    x = 857,049,181,274,963,200/1,382,618,847.40
  6. Step 6: Final answer
    x = 619,873,787.26

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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.