Home / 19,132,397,103.80-28,698,595,655.70-18,874,408,086.20

Finding the Fourth Proportional to 19,132,397,103.80, 28,698,595,655.70 and 18,874,408,086.20

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Solution

The fourth proportional to 19,132,397,103.80, 28,698,595,655.70 and 18,874,408,086.20 is: 28,311,612,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,397,103.80 : 28,698,595,655.70 = 18,874,408,086.20 : x
  2. Step 2: Convert to fraction form
    19,132,397,103.80/28,698,595,655.70 = 18,874,408,086.20/x
  3. Step 3: Cross multiply
    19,132,397,103.80x = 28,698,595,655.70 × 18,874,408,086.20
  4. Step 4: Simplify right side
    19,132,397,103.80x = 541,669,005,906,528,305,152
  5. Step 5: Solve for x
    x = 541,669,005,906,528,305,152/19,132,397,103.80
  6. Step 6: Final answer
    x = 28,311,612,129.30

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Double scale
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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.