Home / 266,433,837.92-399,029,955.06-259,078,694.48

Finding the Fourth Proportional to 266,433,837.92, 399,029,955.06 and 259,078,694.48

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Solution

The fourth proportional to 266,433,837.92, 399,029,955.06 and 259,078,694.48 is: 388,014,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,433,837.92 : 399,029,955.06 = 259,078,694.48 : x
  2. Step 2: Convert to fraction form
    266,433,837.92/399,029,955.06 = 259,078,694.48/x
  3. Step 3: Cross multiply
    266,433,837.92x = 399,029,955.06 × 259,078,694.48
  4. Step 4: Simplify right side
    266,433,837.92x = 103,380,159,815,357,872
  5. Step 5: Solve for x
    x = 103,380,159,815,357,872/266,433,837.92
  6. Step 6: Final answer
    x = 388,014,377.69

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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.