Home / 1,765,152,138.60-2,647,728,207.90-1,152,932,106.60

Finding the Fourth Proportional to 1,765,152,138.60, 2,647,728,207.90 and 1,152,932,106.60

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Solution

The fourth proportional to 1,765,152,138.60, 2,647,728,207.90 and 1,152,932,106.60 is: 1,729,398,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,152,138.60 : 2,647,728,207.90 = 1,152,932,106.60 : x
  2. Step 2: Convert to fraction form
    1,765,152,138.60/2,647,728,207.90 = 1,152,932,106.60/x
  3. Step 3: Cross multiply
    1,765,152,138.60x = 2,647,728,207.90 × 1,152,932,106.60
  4. Step 4: Simplify right side
    1,765,152,138.60x = 3,052,650,860,438,389,760
  5. Step 5: Solve for x
    x = 3,052,650,860,438,389,760/1,765,152,138.60
  6. Step 6: Final answer
    x = 1,729,398,159.90

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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.