Home / 19,165,045,556.40-28,747,568,334.60-15,899,872,052.40

Finding the Fourth Proportional to 19,165,045,556.40, 28,747,568,334.60 and 15,899,872,052.40

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Solution

The fourth proportional to 19,165,045,556.40, 28,747,568,334.60 and 15,899,872,052.40 is: 23,849,808,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,045,556.40 : 28,747,568,334.60 = 15,899,872,052.40 : x
  2. Step 2: Convert to fraction form
    19,165,045,556.40/28,747,568,334.60 = 15,899,872,052.40/x
  3. Step 3: Cross multiply
    19,165,045,556.40x = 28,747,568,334.60 × 15,899,872,052.40
  4. Step 4: Simplify right side
    19,165,045,556.40x = 457,082,658,337,765,720,064
  5. Step 5: Solve for x
    x = 457,082,658,337,765,720,064/19,165,045,556.40
  6. Step 6: Final answer
    x = 23,849,808,078.60

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Double scale
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Similar ratio
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1.5x scale

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.