Home / 472,394,556.80-708,591,835.20-165,717,670.40

Finding the Fourth Proportional to 472,394,556.80, 708,591,835.20 and 165,717,670.40

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Solution

The fourth proportional to 472,394,556.80, 708,591,835.20 and 165,717,670.40 is: 248,576,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,556.80 : 708,591,835.20 = 165,717,670.40 : x
  2. Step 2: Convert to fraction form
    472,394,556.80/708,591,835.20 = 165,717,670.40/x
  3. Step 3: Cross multiply
    472,394,556.80x = 708,591,835.20 × 165,717,670.40
  4. Step 4: Simplify right side
    472,394,556.80x = 117,426,188,193,804,736
  5. Step 5: Solve for x
    x = 117,426,188,193,804,736/472,394,556.80
  6. Step 6: Final answer
    x = 248,576,505.60

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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.