Home / 419,095,049.50-574,162,822.38-403,386,243.22

Finding the Fourth Proportional to 419,095,049.50, 574,162,822.38 and 403,386,243.22

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Solution

The fourth proportional to 419,095,049.50, 574,162,822.38 and 403,386,243.22 is: 552,641,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,095,049.50 : 574,162,822.38 = 403,386,243.22 : x
  2. Step 2: Convert to fraction form
    419,095,049.50/574,162,822.38 = 403,386,243.22/x
  3. Step 3: Cross multiply
    419,095,049.50x = 574,162,822.38 × 403,386,243.22
  4. Step 4: Simplify right side
    419,095,049.50x = 231,609,383,916,460,352
  5. Step 5: Solve for x
    x = 231,609,383,916,460,352/419,095,049.50
  6. Step 6: Final answer
    x = 552,641,660.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.