Home / 495,133,027.20-742,699,540.80-322,946,143.20

Finding the Fourth Proportional to 495,133,027.20, 742,699,540.80 and 322,946,143.20

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Solution

The fourth proportional to 495,133,027.20, 742,699,540.80 and 322,946,143.20 is: 484,419,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,133,027.20 : 742,699,540.80 = 322,946,143.20 : x
  2. Step 2: Convert to fraction form
    495,133,027.20/742,699,540.80 = 322,946,143.20/x
  3. Step 3: Cross multiply
    495,133,027.20x = 742,699,540.80 × 322,946,143.20
  4. Step 4: Simplify right side
    495,133,027.20x = 239,851,952,257,771,008
  5. Step 5: Solve for x
    x = 239,851,952,257,771,008/495,133,027.20
  6. Step 6: Final answer
    x = 484,419,214.80

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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.