Home / 347,141,069.82-478,918,300.41-198,382,383.90

Finding the Fourth Proportional to 347,141,069.82, 478,918,300.41 and 198,382,383.90

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Solution

The fourth proportional to 347,141,069.82, 478,918,300.41 and 198,382,383.90 is: 273,689,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,141,069.82 : 478,918,300.41 = 198,382,383.90 : x
  2. Step 2: Convert to fraction form
    347,141,069.82/478,918,300.41 = 198,382,383.90/x
  3. Step 3: Cross multiply
    347,141,069.82x = 478,918,300.41 × 198,382,383.90
  4. Step 4: Simplify right side
    347,141,069.82x = 95,008,954,128,672,160
  5. Step 5: Solve for x
    x = 95,008,954,128,672,160/347,141,069.82
  6. Step 6: Final answer
    x = 273,689,754.36

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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.