Home / 374,241,021.20-516,426,391.44-217,597,015.04

Finding the Fourth Proportional to 374,241,021.20, 516,426,391.44 and 217,597,015.04

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Solution

The fourth proportional to 374,241,021.20, 516,426,391.44 and 217,597,015.04 is: 300,268,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,241,021.20 : 516,426,391.44 = 217,597,015.04 : x
  2. Step 2: Convert to fraction form
    374,241,021.20/516,426,391.44 = 217,597,015.04/x
  3. Step 3: Cross multiply
    374,241,021.20x = 516,426,391.44 × 217,597,015.04
  4. Step 4: Simplify right side
    374,241,021.20x = 112,372,841,265,222,608
  5. Step 5: Solve for x
    x = 112,372,841,265,222,608/374,241,021.20
  6. Step 6: Final answer
    x = 300,268,636.79

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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.