Home / 474,336,400.80-711,504,601.20-311,602,605.60

Finding the Fourth Proportional to 474,336,400.80, 711,504,601.20 and 311,602,605.60

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Solution

The fourth proportional to 474,336,400.80, 711,504,601.20 and 311,602,605.60 is: 467,403,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,336,400.80 : 711,504,601.20 = 311,602,605.60 : x
  2. Step 2: Convert to fraction form
    474,336,400.80/711,504,601.20 = 311,602,605.60/x
  3. Step 3: Cross multiply
    474,336,400.80x = 711,504,601.20 × 311,602,605.60
  4. Step 4: Simplify right side
    474,336,400.80x = 221,706,687,630,308,928
  5. Step 5: Solve for x
    x = 221,706,687,630,308,928/474,336,400.80
  6. Step 6: Final answer
    x = 467,403,908.40

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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.