Home / 2,585,716,517.67-3,879,119,500.16-838,782,849.75

Finding the Fourth Proportional to 2,585,716,517.67, 3,879,119,500.16 and 838,782,849.75

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Solution

The fourth proportional to 2,585,716,517.67, 3,879,119,500.16 and 838,782,849.75 is: 1,258,350,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,517.67 : 3,879,119,500.16 = 838,782,849.75 : x
  2. Step 2: Convert to fraction form
    2,585,716,517.67/3,879,119,500.16 = 838,782,849.75/x
  3. Step 3: Cross multiply
    2,585,716,517.67x = 3,879,119,500.16 × 838,782,849.75
  4. Step 4: Simplify right side
    2,585,716,517.67x = 3,253,738,908,865,000,448
  5. Step 5: Solve for x
    x = 3,253,738,908,865,000,448/2,585,716,517.67
  6. Step 6: Final answer
    x = 1,258,350,978.01

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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.