Home / 9,020,992,135.20-13,531,488,202.80-8,408,772,103.20

Finding the Fourth Proportional to 9,020,992,135.20, 13,531,488,202.80 and 8,408,772,103.20

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Solution

The fourth proportional to 9,020,992,135.20, 13,531,488,202.80 and 8,408,772,103.20 is: 12,613,158,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,992,135.20 : 13,531,488,202.80 = 8,408,772,103.20 : x
  2. Step 2: Convert to fraction form
    9,020,992,135.20/13,531,488,202.80 = 8,408,772,103.20/x
  3. Step 3: Cross multiply
    9,020,992,135.20x = 13,531,488,202.80 × 8,408,772,103.20
  4. Step 4: Simplify right side
    9,020,992,135.20x = 113,783,200,514,484,535,296
  5. Step 5: Solve for x
    x = 113,783,200,514,484,535,296/9,020,992,135.20
  6. Step 6: Final answer
    x = 12,613,158,154.80

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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.