Home / 528,126,217.09-728,777,606.59-293,158,370.68

Finding the Fourth Proportional to 528,126,217.09, 728,777,606.59 and 293,158,370.68

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Solution

The fourth proportional to 528,126,217.09, 728,777,606.59 and 293,158,370.68 is: 404,538,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,126,217.09 : 728,777,606.59 = 293,158,370.68 : x
  2. Step 2: Convert to fraction form
    528,126,217.09/728,777,606.59 = 293,158,370.68/x
  3. Step 3: Cross multiply
    528,126,217.09x = 728,777,606.59 × 293,158,370.68
  4. Step 4: Simplify right side
    528,126,217.09x = 213,647,255,735,994,432
  5. Step 5: Solve for x
    x = 213,647,255,735,994,432/528,126,217.09
  6. Step 6: Final answer
    x = 404,538,250.18

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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.