Home / 3,900,687,163.38-5,382,683,283.51-2,140,667,945.46

Finding the Fourth Proportional to 3,900,687,163.38, 5,382,683,283.51 and 2,140,667,945.46

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Solution

The fourth proportional to 3,900,687,163.38, 5,382,683,283.51 and 2,140,667,945.46 is: 2,953,976,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,687,163.38 : 5,382,683,283.51 = 2,140,667,945.46 : x
  2. Step 2: Convert to fraction form
    3,900,687,163.38/5,382,683,283.51 = 2,140,667,945.46/x
  3. Step 3: Cross multiply
    3,900,687,163.38x = 5,382,683,283.51 × 2,140,667,945.46
  4. Step 4: Simplify right side
    3,900,687,163.38x = 11,522,537,565,573,238,784
  5. Step 5: Solve for x
    x = 11,522,537,565,573,238,784/3,900,687,163.38
  6. Step 6: Final answer
    x = 2,953,976,333.64

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Double scale
Find fourth proportional to 3,900,687,164.38, 5,382,683,284.89 and 2,140,667,946.46
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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.