Home / 8,487,338,165.54-11,627,694,774.62-8,169,234,668.88

Finding the Fourth Proportional to 8,487,338,165.54, 11,627,694,774.62 and 8,169,234,668.88

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Solution

The fourth proportional to 8,487,338,165.54, 11,627,694,774.62 and 8,169,234,668.88 is: 11,191,891,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,338,165.54 : 11,627,694,774.62 = 8,169,234,668.88 : x
  2. Step 2: Convert to fraction form
    8,487,338,165.54/11,627,694,774.62 = 8,169,234,668.88/x
  3. Step 3: Cross multiply
    8,487,338,165.54x = 11,627,694,774.62 × 8,169,234,668.88
  4. Step 4: Simplify right side
    8,487,338,165.54x = 94,989,367,271,939,670,016
  5. Step 5: Solve for x
    x = 94,989,367,271,939,670,016/8,487,338,165.54
  6. Step 6: Final answer
    x = 11,191,891,429.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.