Home / 80,474,019,904.80-120,711,029,857.20-27,474,897,009.60

Finding the Fourth Proportional to 80,474,019,904.80, 120,711,029,857.20 and 27,474,897,009.60

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Solution

The fourth proportional to 80,474,019,904.80, 120,711,029,857.20 and 27,474,897,009.60 is: 41,212,345,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,019,904.80 : 120,711,029,857.20 = 27,474,897,009.60 : x
  2. Step 2: Convert to fraction form
    80,474,019,904.80/120,711,029,857.20 = 27,474,897,009.60/x
  3. Step 3: Cross multiply
    80,474,019,904.80x = 120,711,029,857.20 × 27,474,897,009.60
  4. Step 4: Simplify right side
    80,474,019,904.80x = 3,316,523,113,249,320,206,336
  5. Step 5: Solve for x
    x = 3,316,523,113,249,320,206,336/80,474,019,904.80
  6. Step 6: Final answer
    x = 41,212,345,514.40

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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.