Home / 3,944,879,471.88-5,443,739,482.35-2,160,740,859.39

Finding the Fourth Proportional to 3,944,879,471.88, 5,443,739,482.35 and 2,160,740,859.39

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Solution

The fourth proportional to 3,944,879,471.88, 5,443,739,482.35 and 2,160,740,859.39 is: 2,981,716,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,879,471.88 : 5,443,739,482.35 = 2,160,740,859.39 : x
  2. Step 2: Convert to fraction form
    3,944,879,471.88/5,443,739,482.35 = 2,160,740,859.39/x
  3. Step 3: Cross multiply
    3,944,879,471.88x = 5,443,739,482.35 × 2,160,740,859.39
  4. Step 4: Simplify right side
    3,944,879,471.88x = 11,762,510,327,388,213,248
  5. Step 5: Solve for x
    x = 11,762,510,327,388,213,248/3,944,879,471.88
  6. Step 6: Final answer
    x = 2,981,716,022.31

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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.