Home / 382,508,571.96-527,821,129.41-215,241,918.33

Finding the Fourth Proportional to 382,508,571.96, 527,821,129.41 and 215,241,918.33

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Solution

The fourth proportional to 382,508,571.96, 527,821,129.41 and 215,241,918.33 is: 297,010,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,508,571.96 : 527,821,129.41 = 215,241,918.33 : x
  2. Step 2: Convert to fraction form
    382,508,571.96/527,821,129.41 = 215,241,918.33/x
  3. Step 3: Cross multiply
    382,508,571.96x = 527,821,129.41 × 215,241,918.33
  4. Step 4: Simplify right side
    382,508,571.96x = 113,609,232,429,315,600
  5. Step 5: Solve for x
    x = 113,609,232,429,315,600/382,508,571.96
  6. Step 6: Final answer
    x = 297,010,945.00

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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.