Home / 472,394,713.20-708,592,069.80-165,576,109.20

Finding the Fourth Proportional to 472,394,713.20, 708,592,069.80 and 165,576,109.20

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Solution

The fourth proportional to 472,394,713.20, 708,592,069.80 and 165,576,109.20 is: 248,364,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,713.20 : 708,592,069.80 = 165,576,109.20 : x
  2. Step 2: Convert to fraction form
    472,394,713.20/708,592,069.80 = 165,576,109.20/x
  3. Step 3: Cross multiply
    472,394,713.20x = 708,592,069.80 × 165,576,109.20
  4. Step 4: Simplify right side
    472,394,713.20x = 117,325,917,927,458,800
  5. Step 5: Solve for x
    x = 117,325,917,927,458,800/472,394,713.20
  6. Step 6: Final answer
    x = 248,364,163.80

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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.