Home / 3,151,872,803.20-4,727,809,204.80-1,431,946,019.20

Finding the Fourth Proportional to 3,151,872,803.20, 4,727,809,204.80 and 1,431,946,019.20

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Solution

The fourth proportional to 3,151,872,803.20, 4,727,809,204.80 and 1,431,946,019.20 is: 2,147,919,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,872,803.20 : 4,727,809,204.80 = 1,431,946,019.20 : x
  2. Step 2: Convert to fraction form
    3,151,872,803.20/4,727,809,204.80 = 1,431,946,019.20/x
  3. Step 3: Cross multiply
    3,151,872,803.20x = 4,727,809,204.80 × 1,431,946,019.20
  4. Step 4: Simplify right side
    3,151,872,803.20x = 6,769,967,570,350,478,336
  5. Step 5: Solve for x
    x = 6,769,967,570,350,478,336/3,151,872,803.20
  6. Step 6: Final answer
    x = 2,147,919,028.80

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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.