Home / 9,020,992,153.20-13,531,488,229.80-8,408,772,121.20

Finding the Fourth Proportional to 9,020,992,153.20, 13,531,488,229.80 and 8,408,772,121.20

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Solution

The fourth proportional to 9,020,992,153.20, 13,531,488,229.80 and 8,408,772,121.20 is: 12,613,158,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,992,153.20 : 13,531,488,229.80 = 8,408,772,121.20 : x
  2. Step 2: Convert to fraction form
    9,020,992,153.20/13,531,488,229.80 = 8,408,772,121.20/x
  3. Step 3: Cross multiply
    9,020,992,153.20x = 13,531,488,229.80 × 8,408,772,121.20
  4. Step 4: Simplify right side
    9,020,992,153.20x = 113,783,200,985,088,163,840
  5. Step 5: Solve for x
    x = 113,783,200,985,088,163,840/9,020,992,153.20
  6. Step 6: Final answer
    x = 12,613,158,181.80

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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.