Home / 20,186,630,995.60-30,307,209,416.70-11,801,129,744.80

Finding the Fourth Proportional to 20,186,630,995.60, 30,307,209,416.70 and 11,801,129,744.80

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Solution

The fourth proportional to 20,186,630,995.60, 30,307,209,416.70 and 11,801,129,744.80 is: 17,717,632,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,630,995.60 : 30,307,209,416.70 = 11,801,129,744.80 : x
  2. Step 2: Convert to fraction form
    20,186,630,995.60/30,307,209,416.70 = 11,801,129,744.80/x
  3. Step 3: Cross multiply
    20,186,630,995.60x = 30,307,209,416.70 × 11,801,129,744.80
  4. Step 4: Simplify right side
    20,186,630,995.60x = 357,659,310,529,300,987,904
  5. Step 5: Solve for x
    x = 357,659,310,529,300,987,904/20,186,630,995.60
  6. Step 6: Final answer
    x = 17,717,632,556.28

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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.