Home / 473,836,000.80-711,173,905.20-279,504,429.60

Finding the Fourth Proportional to 473,836,000.80, 711,173,905.20 and 279,504,429.60

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Solution

The fourth proportional to 473,836,000.80, 711,173,905.20 and 279,504,429.60 is: 419,504,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,836,000.80 : 711,173,905.20 = 279,504,429.60 : x
  2. Step 2: Convert to fraction form
    473,836,000.80/711,173,905.20 = 279,504,429.60/x
  3. Step 3: Cross multiply
    473,836,000.80x = 711,173,905.20 × 279,504,429.60
  4. Step 4: Simplify right side
    473,836,000.80x = 198,776,256,719,330,496
  5. Step 5: Solve for x
    x = 198,776,256,719,330,496/473,836,000.80
  6. Step 6: Final answer
    x = 419,504,335.64

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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.