Home / 438,321,998.07-604,876,881.03-237,377,240.27

Finding the Fourth Proportional to 438,321,998.07, 604,876,881.03 and 237,377,240.27

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Solution

The fourth proportional to 438,321,998.07, 604,876,881.03 and 237,377,240.27 is: 327,576,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,321,998.07 : 604,876,881.03 = 237,377,240.27 : x
  2. Step 2: Convert to fraction form
    438,321,998.07/604,876,881.03 = 237,377,240.27/x
  3. Step 3: Cross multiply
    438,321,998.07x = 604,876,881.03 × 237,377,240.27
  4. Step 4: Simplify right side
    438,321,998.07x = 143,584,004,719,239,056
  5. Step 5: Solve for x
    x = 143,584,004,719,239,056/438,321,998.07
  6. Step 6: Final answer
    x = 327,576,542.70

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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.