Home / 528,126,212.84-728,777,600.73-293,158,366.43

Finding the Fourth Proportional to 528,126,212.84, 728,777,600.73 and 293,158,366.43

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Solution

The fourth proportional to 528,126,212.84, 728,777,600.73 and 293,158,366.43 is: 404,538,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,126,212.84 : 728,777,600.73 = 293,158,366.43 : x
  2. Step 2: Convert to fraction form
    528,126,212.84/728,777,600.73 = 293,158,366.43/x
  3. Step 3: Cross multiply
    528,126,212.84x = 728,777,600.73 × 293,158,366.43
  4. Step 4: Simplify right side
    528,126,212.84x = 213,647,250,917,137,696
  5. Step 5: Solve for x
    x = 213,647,250,917,137,696/528,126,212.84
  6. Step 6: Final answer
    x = 404,538,244.32

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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.