Home / 5,215,452,415.80-7,823,178,623.70-3,144,107,974.20

Finding the Fourth Proportional to 5,215,452,415.80, 7,823,178,623.70 and 3,144,107,974.20

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Solution

The fourth proportional to 5,215,452,415.80, 7,823,178,623.70 and 3,144,107,974.20 is: 4,716,161,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,452,415.80 : 7,823,178,623.70 = 3,144,107,974.20 : x
  2. Step 2: Convert to fraction form
    5,215,452,415.80/7,823,178,623.70 = 3,144,107,974.20/x
  3. Step 3: Cross multiply
    5,215,452,415.80x = 7,823,178,623.70 × 3,144,107,974.20
  4. Step 4: Simplify right side
    5,215,452,415.80x = 24,596,918,294,366,150,656
  5. Step 5: Solve for x
    x = 24,596,918,294,366,150,656/5,215,452,415.80
  6. Step 6: Final answer
    x = 4,716,161,961.30

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Double scale
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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.