Home / 438,399,042.86-604,985,857.72-237,450,917.94

Finding the Fourth Proportional to 438,399,042.86, 604,985,857.72 and 237,450,917.94

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Solution

The fourth proportional to 438,399,042.86, 604,985,857.72 and 237,450,917.94 is: 327,679,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,399,042.86 : 604,985,857.72 = 237,450,917.94 : x
  2. Step 2: Convert to fraction form
    438,399,042.86/604,985,857.72 = 237,450,917.94/x
  3. Step 3: Cross multiply
    438,399,042.86x = 604,985,857.72 × 237,450,917.94
  4. Step 4: Simplify right side
    438,399,042.86x = 143,654,447,253,469,904
  5. Step 5: Solve for x
    x = 143,654,447,253,469,904/438,399,042.86
  6. Step 6: Final answer
    x = 327,679,655.31

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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.