Home / 486,081,696.78-729,061,043.67-154,091,906.64

Finding the Fourth Proportional to 486,081,696.78, 729,061,043.67 and 154,091,906.64

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Solution

The fourth proportional to 486,081,696.78, 729,061,043.67 and 154,091,906.64 is: 231,118,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,081,696.78 : 729,061,043.67 = 154,091,906.64 : x
  2. Step 2: Convert to fraction form
    486,081,696.78/729,061,043.67 = 154,091,906.64/x
  3. Step 3: Cross multiply
    486,081,696.78x = 729,061,043.67 × 154,091,906.64
  4. Step 4: Simplify right side
    486,081,696.78x = 112,342,406,276,058,592
  5. Step 5: Solve for x
    x = 112,342,406,276,058,592/486,081,696.78
  6. Step 6: Final answer
    x = 231,118,363.48

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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.