Home / 432,410,769.16-648,726,759.80-125,702,882.04

Finding the Fourth Proportional to 432,410,769.16, 648,726,759.80 and 125,702,882.04

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Solution

The fourth proportional to 432,410,769.16, 648,726,759.80 and 125,702,882.04 is: 188,586,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,410,769.16 : 648,726,759.80 = 125,702,882.04 : x
  2. Step 2: Convert to fraction form
    432,410,769.16/648,726,759.80 = 125,702,882.04/x
  3. Step 3: Cross multiply
    432,410,769.16x = 648,726,759.80 × 125,702,882.04
  4. Step 4: Simplify right side
    432,410,769.16x = 81,546,823,363,330,816
  5. Step 5: Solve for x
    x = 81,546,823,363,330,816/432,410,769.16
  6. Step 6: Final answer
    x = 188,586,476.52

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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.