Home / 279,282,816,002.55-418,924,224,003.85-279,282,816,002.55

Finding the Fourth Proportional to 279,282,816,002.55, 418,924,224,003.85 and 279,282,816,002.55

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Solution

The fourth proportional to 279,282,816,002.55, 418,924,224,003.85 and 279,282,816,002.55 is: 418,924,224,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,282,816,002.55 : 418,924,224,003.85 = 279,282,816,002.55 : x
  2. Step 2: Convert to fraction form
    279,282,816,002.55/418,924,224,003.85 = 279,282,816,002.55/x
  3. Step 3: Cross multiply
    279,282,816,002.55x = 418,924,224,003.85 × 279,282,816,002.55
  4. Step 4: Simplify right side
    279,282,816,002.55x = 116,998,336,971,478,268,903,424
  5. Step 5: Solve for x
    x = 116,998,336,971,478,268,903,424/279,282,816,002.55
  6. Step 6: Final answer
    x = 418,924,224,003.85

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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.