Home / 403,704,022.80-605,556,034.20-265,954,515.60

Finding the Fourth Proportional to 403,704,022.80, 605,556,034.20 and 265,954,515.60

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Solution

The fourth proportional to 403,704,022.80, 605,556,034.20 and 265,954,515.60 is: 398,931,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,022.80 : 605,556,034.20 = 265,954,515.60 : x
  2. Step 2: Convert to fraction form
    403,704,022.80/605,556,034.20 = 265,954,515.60/x
  3. Step 3: Cross multiply
    403,704,022.80x = 605,556,034.20 × 265,954,515.60
  4. Step 4: Simplify right side
    403,704,022.80x = 161,050,361,744,318,048
  5. Step 5: Solve for x
    x = 161,050,361,744,318,048/403,704,022.80
  6. Step 6: Final answer
    x = 398,931,773.40

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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.