Home / 3,953,640,102.21-5,456,008,368.36-2,169,523,405.71

Finding the Fourth Proportional to 3,953,640,102.21, 5,456,008,368.36 and 2,169,523,405.71

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Solution

The fourth proportional to 3,953,640,102.21, 5,456,008,368.36 and 2,169,523,405.71 is: 2,993,934,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,640,102.21 : 5,456,008,368.36 = 2,169,523,405.71 : x
  2. Step 2: Convert to fraction form
    3,953,640,102.21/5,456,008,368.36 = 2,169,523,405.71/x
  3. Step 3: Cross multiply
    3,953,640,102.21x = 5,456,008,368.36 × 2,169,523,405.71
  4. Step 4: Simplify right side
    3,953,640,102.21x = 11,836,937,856,906,647,552
  5. Step 5: Solve for x
    x = 11,836,937,856,906,647,552/3,953,640,102.21
  6. Step 6: Final answer
    x = 2,993,934,083.75

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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.