Home / 436,883,745.78-602,901,624.06-238,647,990.78

Finding the Fourth Proportional to 436,883,745.78, 602,901,624.06 and 238,647,990.78

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Solution

The fourth proportional to 436,883,745.78, 602,901,624.06 and 238,647,990.78 is: 329,335,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,883,745.78 : 602,901,624.06 = 238,647,990.78 : x
  2. Step 2: Convert to fraction form
    436,883,745.78/602,901,624.06 = 238,647,990.78/x
  3. Step 3: Cross multiply
    436,883,745.78x = 602,901,624.06 × 238,647,990.78
  4. Step 4: Simplify right side
    436,883,745.78x = 143,881,261,219,917,888
  5. Step 5: Solve for x
    x = 143,881,261,219,917,888/436,883,745.78
  6. Step 6: Final answer
    x = 329,335,349.76

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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.