Home / 747,014,748.40-1,120,522,122.60-262,340,556.40

Finding the Fourth Proportional to 747,014,748.40, 1,120,522,122.60 and 262,340,556.40

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Solution

The fourth proportional to 747,014,748.40, 1,120,522,122.60 and 262,340,556.40 is: 393,510,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,014,748.40 : 1,120,522,122.60 = 262,340,556.40 : x
  2. Step 2: Convert to fraction form
    747,014,748.40/1,120,522,122.60 = 262,340,556.40/x
  3. Step 3: Cross multiply
    747,014,748.40x = 1,120,522,122.60 × 262,340,556.40
  4. Step 4: Simplify right side
    747,014,748.40x = 293,958,397,101,393,024
  5. Step 5: Solve for x
    x = 293,958,397,101,393,024/747,014,748.40
  6. Step 6: Final answer
    x = 393,510,834.60

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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.