Home / 431,570,732.40-647,356,098.60-300,056,799.60

Finding the Fourth Proportional to 431,570,732.40, 647,356,098.60 and 300,056,799.60

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Solution

The fourth proportional to 431,570,732.40, 647,356,098.60 and 300,056,799.60 is: 450,085,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,570,732.40 : 647,356,098.60 = 300,056,799.60 : x
  2. Step 2: Convert to fraction form
    431,570,732.40/647,356,098.60 = 300,056,799.60/x
  3. Step 3: Cross multiply
    431,570,732.40x = 647,356,098.60 × 300,056,799.60
  4. Step 4: Simplify right side
    431,570,732.40x = 194,243,599,147,458,048
  5. Step 5: Solve for x
    x = 194,243,599,147,458,048/431,570,732.40
  6. Step 6: Final answer
    x = 450,085,199.40

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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.