Home / 260,760,388,108.40-391,140,582,162.60-74,645,498,380.40

Finding the Fourth Proportional to 260,760,388,108.40, 391,140,582,162.60 and 74,645,498,380.40

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Solution

The fourth proportional to 260,760,388,108.40, 391,140,582,162.60 and 74,645,498,380.40 is: 111,968,247,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,388,108.40 : 391,140,582,162.60 = 74,645,498,380.40 : x
  2. Step 2: Convert to fraction form
    260,760,388,108.40/391,140,582,162.60 = 74,645,498,380.40/x
  3. Step 3: Cross multiply
    260,760,388,108.40x = 391,140,582,162.60 × 74,645,498,380.40
  4. Step 4: Simplify right side
    260,760,388,108.40x = 29,196,883,692,327,066,927,104
  5. Step 5: Solve for x
    x = 29,196,883,692,327,066,927,104/260,760,388,108.40
  6. Step 6: Final answer
    x = 111,968,247,570.60

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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.