Home / 693,168,672.80-1,040,151,140.40-262,656,135.20

Finding the Fourth Proportional to 693,168,672.80, 1,040,151,140.40 and 262,656,135.20

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Solution

The fourth proportional to 693,168,672.80, 1,040,151,140.40 and 262,656,135.20 is: 394,135,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,168,672.80 : 1,040,151,140.40 = 262,656,135.20 : x
  2. Step 2: Convert to fraction form
    693,168,672.80/1,040,151,140.40 = 262,656,135.20/x
  3. Step 3: Cross multiply
    693,168,672.80x = 1,040,151,140.40 × 262,656,135.20
  4. Step 4: Simplify right side
    693,168,672.80x = 273,202,078,561,336,576
  5. Step 5: Solve for x
    x = 273,202,078,561,336,576/693,168,672.80
  6. Step 6: Final answer
    x = 394,135,063.05

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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.