Home / 427,942,645.06-641,465,948.59-179,090,481.03

Finding the Fourth Proportional to 427,942,645.06, 641,465,948.59 and 179,090,481.03

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Solution

The fourth proportional to 427,942,645.06, 641,465,948.59 and 179,090,481.03 is: 268,448,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,942,645.06 : 641,465,948.59 = 179,090,481.03 : x
  2. Step 2: Convert to fraction form
    427,942,645.06/641,465,948.59 = 179,090,481.03/x
  3. Step 3: Cross multiply
    427,942,645.06x = 641,465,948.59 × 179,090,481.03
  4. Step 4: Simplify right side
    427,942,645.06x = 114,880,445,297,348,352
  5. Step 5: Solve for x
    x = 114,880,445,297,348,352/427,942,645.06
  6. Step 6: Final answer
    x = 268,448,229.28

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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.