Home / 415,079,049.87-622,619,756.80-119,998,191.40

Finding the Fourth Proportional to 415,079,049.87, 622,619,756.80 and 119,998,191.40

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Solution

The fourth proportional to 415,079,049.87, 622,619,756.80 and 119,998,191.40 is: 179,997,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,079,049.87 : 622,619,756.80 = 119,998,191.40 : x
  2. Step 2: Convert to fraction form
    415,079,049.87/622,619,756.80 = 119,998,191.40/x
  3. Step 3: Cross multiply
    415,079,049.87x = 622,619,756.80 × 119,998,191.40
  4. Step 4: Simplify right side
    415,079,049.87x = 74,713,244,744,051,312
  5. Step 5: Solve for x
    x = 74,713,244,744,051,312/415,079,049.87
  6. Step 6: Final answer
    x = 179,997,628.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.