Home / 472,394,735.20-708,592,102.80-165,576,131.20

Finding the Fourth Proportional to 472,394,735.20, 708,592,102.80 and 165,576,131.20

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Solution

The fourth proportional to 472,394,735.20, 708,592,102.80 and 165,576,131.20 is: 248,364,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,735.20 : 708,592,102.80 = 165,576,131.20 : x
  2. Step 2: Convert to fraction form
    472,394,735.20/708,592,102.80 = 165,576,131.20/x
  3. Step 3: Cross multiply
    472,394,735.20x = 708,592,102.80 × 165,576,131.20
  4. Step 4: Simplify right side
    472,394,735.20x = 117,325,938,980,496,672
  5. Step 5: Solve for x
    x = 117,325,938,980,496,672/472,394,735.20
  6. Step 6: Final answer
    x = 248,364,196.80

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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.