Home / 1,177,529,517.12-1,625,001,480.52-648,912,469.88

Finding the Fourth Proportional to 1,177,529,517.12, 1,625,001,480.52 and 648,912,469.88

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Solution

The fourth proportional to 1,177,529,517.12, 1,625,001,480.52 and 648,912,469.88 is: 895,505,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,529,517.12 : 1,625,001,480.52 = 648,912,469.88 : x
  2. Step 2: Convert to fraction form
    1,177,529,517.12/1,625,001,480.52 = 648,912,469.88/x
  3. Step 3: Cross multiply
    1,177,529,517.12x = 1,625,001,480.52 × 648,912,469.88
  4. Step 4: Simplify right side
    1,177,529,517.12x = 1,054,483,724,282,889,856
  5. Step 5: Solve for x
    x = 1,054,483,724,282,889,856/1,177,529,517.12
  6. Step 6: Final answer
    x = 895,505,130.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.