Home / 7,791,788,939.38-10,752,380,667.05-4,223,419,231.47

Finding the Fourth Proportional to 7,791,788,939.38, 10,752,380,667.05 and 4,223,419,231.47

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Solution

The fourth proportional to 7,791,788,939.38, 10,752,380,667.05 and 4,223,419,231.47 is: 5,828,162,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,788,939.38 : 10,752,380,667.05 = 4,223,419,231.47 : x
  2. Step 2: Convert to fraction form
    7,791,788,939.38/10,752,380,667.05 = 4,223,419,231.47/x
  3. Step 3: Cross multiply
    7,791,788,939.38x = 10,752,380,667.05 × 4,223,419,231.47
  4. Step 4: Simplify right side
    7,791,788,939.38x = 45,411,811,293,305,192,448
  5. Step 5: Solve for x
    x = 45,411,811,293,305,192,448/7,791,788,939.38
  6. Step 6: Final answer
    x = 5,828,162,395.90

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1.5x scale

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.