Home / 1,419,632,693.40-2,129,449,040.10-1,177,767,989.40

Finding the Fourth Proportional to 1,419,632,693.40, 2,129,449,040.10 and 1,177,767,989.40

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Solution

The fourth proportional to 1,419,632,693.40, 2,129,449,040.10 and 1,177,767,989.40 is: 1,766,651,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,632,693.40 : 2,129,449,040.10 = 1,177,767,989.40 : x
  2. Step 2: Convert to fraction form
    1,419,632,693.40/2,129,449,040.10 = 1,177,767,989.40/x
  3. Step 3: Cross multiply
    1,419,632,693.40x = 2,129,449,040.10 × 1,177,767,989.40
  4. Step 4: Simplify right side
    1,419,632,693.40x = 2,507,996,914,488,336,896
  5. Step 5: Solve for x
    x = 2,507,996,914,488,336,896/1,419,632,693.40
  6. Step 6: Final answer
    x = 1,766,651,984.10

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Double scale
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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.