Home / 1,382,618,828.40-2,073,662,821.80-413,302,066.80

Finding the Fourth Proportional to 1,382,618,828.40, 2,073,662,821.80 and 413,302,066.80

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Solution

The fourth proportional to 1,382,618,828.40, 2,073,662,821.80 and 413,302,066.80 is: 619,873,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,618,828.40 : 2,073,662,821.80 = 413,302,066.80 : x
  2. Step 2: Convert to fraction form
    1,382,618,828.40/2,073,662,821.80 = 413,302,066.80/x
  3. Step 3: Cross multiply
    1,382,618,828.40x = 2,073,662,821.80 × 413,302,066.80
  4. Step 4: Simplify right side
    1,382,618,828.40x = 857,049,130,096,260,096
  5. Step 5: Solve for x
    x = 857,049,130,096,260,096/1,382,618,828.40
  6. Step 6: Final answer
    x = 619,873,758.76

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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.