Home / 28,189,622,648.20-38,902,702,081.38-16,148,960,544.68

Finding the Fourth Proportional to 28,189,622,648.20, 38,902,702,081.38 and 16,148,960,544.68

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Solution

The fourth proportional to 28,189,622,648.20, 38,902,702,081.38 and 16,148,960,544.68 is: 22,286,151,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,622,648.20 : 38,902,702,081.38 = 16,148,960,544.68 : x
  2. Step 2: Convert to fraction form
    28,189,622,648.20/38,902,702,081.38 = 16,148,960,544.68/x
  3. Step 3: Cross multiply
    28,189,622,648.20x = 38,902,702,081.38 × 16,148,960,544.68
  4. Step 4: Simplify right side
    28,189,622,648.20x = 628,238,200,993,646,116,864
  5. Step 5: Solve for x
    x = 628,238,200,993,646,116,864/28,189,622,648.20
  6. Step 6: Final answer
    x = 22,286,151,497.45

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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.