Home / 486,247,817.82-671,021,846.44-263,229,333.98

Finding the Fourth Proportional to 486,247,817.82, 671,021,846.44 and 263,229,333.98

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Solution

The fourth proportional to 486,247,817.82, 671,021,846.44 and 263,229,333.98 is: 363,256,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,247,817.82 : 671,021,846.44 = 263,229,333.98 : x
  2. Step 2: Convert to fraction form
    486,247,817.82/671,021,846.44 = 263,229,333.98/x
  3. Step 3: Cross multiply
    486,247,817.82x = 671,021,846.44 × 263,229,333.98
  4. Step 4: Simplify right side
    486,247,817.82x = 176,632,633,721,725,792
  5. Step 5: Solve for x
    x = 176,632,633,721,725,792/486,247,817.82
  6. Step 6: Final answer
    x = 363,256,403.94

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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.