Home / 308,396,005.20-462,594,007.80-294,791,115.60

Finding the Fourth Proportional to 308,396,005.20, 462,594,007.80 and 294,791,115.60

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Solution

The fourth proportional to 308,396,005.20, 462,594,007.80 and 294,791,115.60 is: 442,186,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,396,005.20 : 462,594,007.80 = 294,791,115.60 : x
  2. Step 2: Convert to fraction form
    308,396,005.20/462,594,007.80 = 294,791,115.60/x
  3. Step 3: Cross multiply
    308,396,005.20x = 462,594,007.80 × 294,791,115.60
  4. Step 4: Simplify right side
    308,396,005.20x = 136,368,603,629,237,120
  5. Step 5: Solve for x
    x = 136,368,603,629,237,120/308,396,005.20
  6. Step 6: Final answer
    x = 442,186,673.40

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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.