Home / 8,148,765,186.30-12,223,147,779.45-5,514,305,861.10

Finding the Fourth Proportional to 8,148,765,186.30, 12,223,147,779.45 and 5,514,305,861.10

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Solution

The fourth proportional to 8,148,765,186.30, 12,223,147,779.45 and 5,514,305,861.10 is: 8,271,458,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,765,186.30 : 12,223,147,779.45 = 5,514,305,861.10 : x
  2. Step 2: Convert to fraction form
    8,148,765,186.30/12,223,147,779.45 = 5,514,305,861.10/x
  3. Step 3: Cross multiply
    8,148,765,186.30x = 12,223,147,779.45 × 5,514,305,861.10
  4. Step 4: Simplify right side
    8,148,765,186.30x = 67,402,175,441,312,595,968
  5. Step 5: Solve for x
    x = 67,402,175,441,312,595,968/8,148,765,186.30
  6. Step 6: Final answer
    x = 8,271,458,791.65

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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.