Home / 3,876,949,984.99-5,350,049,729.16-2,160,210,441.33

Finding the Fourth Proportional to 3,876,949,984.99, 5,350,049,729.16 and 2,160,210,441.33

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Solution

The fourth proportional to 3,876,949,984.99, 5,350,049,729.16 and 2,160,210,441.33 is: 2,981,011,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,949,984.99 : 5,350,049,729.16 = 2,160,210,441.33 : x
  2. Step 2: Convert to fraction form
    3,876,949,984.99/5,350,049,729.16 = 2,160,210,441.33/x
  3. Step 3: Cross multiply
    3,876,949,984.99x = 5,350,049,729.16 × 2,160,210,441.33
  4. Step 4: Simplify right side
    3,876,949,984.99x = 11,557,233,286,572,509,184
  5. Step 5: Solve for x
    x = 11,557,233,286,572,509,184/3,876,949,984.99
  6. Step 6: Final answer
    x = 2,981,011,705.42

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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.