Home / 472,393,032.40-708,589,548.60-165,645,287.20

Finding the Fourth Proportional to 472,393,032.40, 708,589,548.60 and 165,645,287.20

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Solution

The fourth proportional to 472,393,032.40, 708,589,548.60 and 165,645,287.20 is: 248,467,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,032.40 : 708,589,548.60 = 165,645,287.20 : x
  2. Step 2: Convert to fraction form
    472,393,032.40/708,589,548.60 = 165,645,287.20/x
  3. Step 3: Cross multiply
    472,393,032.40x = 708,589,548.60 × 165,645,287.20
  4. Step 4: Simplify right side
    472,393,032.40x = 117,374,519,284,765,360
  5. Step 5: Solve for x
    x = 117,374,519,284,765,360/472,393,032.40
  6. Step 6: Final answer
    x = 248,467,930.80

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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.