Home / 18,191,567,347.60-27,287,351,021.40-4,405,279,219.60

Finding the Fourth Proportional to 18,191,567,347.60, 27,287,351,021.40 and 4,405,279,219.60

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Solution

The fourth proportional to 18,191,567,347.60, 27,287,351,021.40 and 4,405,279,219.60 is: 6,607,918,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,567,347.60 : 27,287,351,021.40 = 4,405,279,219.60 : x
  2. Step 2: Convert to fraction form
    18,191,567,347.60/27,287,351,021.40 = 4,405,279,219.60/x
  3. Step 3: Cross multiply
    18,191,567,347.60x = 27,287,351,021.40 × 4,405,279,219.60
  4. Step 4: Simplify right side
    18,191,567,347.60x = 120,208,400,412,504,276,992
  5. Step 5: Solve for x
    x = 120,208,400,412,504,276,992/18,191,567,347.60
  6. Step 6: Final answer
    x = 6,607,918,829.40

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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.