Home / 438,290,749.43-604,841,823.75-237,347,974.28

Finding the Fourth Proportional to 438,290,749.43, 604,841,823.75 and 237,347,974.28

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Solution

The fourth proportional to 438,290,749.43, 604,841,823.75 and 237,347,974.28 is: 327,540,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,290,749.43 : 604,841,823.75 = 237,347,974.28 : x
  2. Step 2: Convert to fraction form
    438,290,749.43/604,841,823.75 = 237,347,974.28/x
  3. Step 3: Cross multiply
    438,290,749.43x = 604,841,823.75 × 237,347,974.28
  4. Step 4: Simplify right side
    438,290,749.43x = 143,557,981,626,883,296
  5. Step 5: Solve for x
    x = 143,557,981,626,883,296/438,290,749.43
  6. Step 6: Final answer
    x = 327,540,523.76

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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.