Home / 1,322,535,067.31-1,825,098,690.80-727,819,551.65

Finding the Fourth Proportional to 1,322,535,067.31, 1,825,098,690.80 and 727,819,551.65

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Solution

The fourth proportional to 1,322,535,067.31, 1,825,098,690.80 and 727,819,551.65 is: 1,004,391,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,535,067.31 : 1,825,098,690.80 = 727,819,551.65 : x
  2. Step 2: Convert to fraction form
    1,322,535,067.31/1,825,098,690.80 = 727,819,551.65/x
  3. Step 3: Cross multiply
    1,322,535,067.31x = 1,825,098,690.80 × 727,819,551.65
  4. Step 4: Simplify right side
    1,322,535,067.31x = 1,328,342,510,861,440,256
  5. Step 5: Solve for x
    x = 1,328,342,510,861,440,256/1,322,535,067.31
  6. Step 6: Final answer
    x = 1,004,391,145.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.