Home / 2,585,716,169.58-3,879,118,977.75-838,782,501.66

Finding the Fourth Proportional to 2,585,716,169.58, 3,879,118,977.75 and 838,782,501.66

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Solution

The fourth proportional to 2,585,716,169.58, 3,879,118,977.75 and 838,782,501.66 is: 1,258,350,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,169.58 : 3,879,118,977.75 = 838,782,501.66 : x
  2. Step 2: Convert to fraction form
    2,585,716,169.58/3,879,118,977.75 = 838,782,501.66/x
  3. Step 3: Cross multiply
    2,585,716,169.58x = 3,879,118,977.75 × 838,782,501.66
  4. Step 4: Simplify right side
    2,585,716,169.58x = 3,253,737,120,393,926,656
  5. Step 5: Solve for x
    x = 3,253,737,120,393,926,656/2,585,716,169.58
  6. Step 6: Final answer
    x = 1,258,350,455.74

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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.