Home / 230,005,467,399.66-345,015,229,697.55-78,909,649,279.89

Finding the Fourth Proportional to 230,005,467,399.66, 345,015,229,697.55 and 78,909,649,279.89

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Solution

The fourth proportional to 230,005,467,399.66, 345,015,229,697.55 and 78,909,649,279.89 is: 118,366,885,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,005,467,399.66 : 345,015,229,697.55 = 78,909,649,279.89 : x
  2. Step 2: Convert to fraction form
    230,005,467,399.66/345,015,229,697.55 = 78,909,649,279.89/x
  3. Step 3: Cross multiply
    230,005,467,399.66x = 345,015,229,697.55 × 78,909,649,279.89
  4. Step 4: Simplify right side
    230,005,467,399.66x = 27,225,030,771,654,359,252,992
  5. Step 5: Solve for x
    x = 27,225,030,771,654,359,252,992/230,005,467,399.66
  6. Step 6: Final answer
    x = 118,366,885,272.11

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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.