Home / 472,394,572.30-708,591,858.45-165,717,685.90

Finding the Fourth Proportional to 472,394,572.30, 708,591,858.45 and 165,717,685.90

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Solution

The fourth proportional to 472,394,572.30, 708,591,858.45 and 165,717,685.90 is: 248,576,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,572.30 : 708,591,858.45 = 165,717,685.90 : x
  2. Step 2: Convert to fraction form
    472,394,572.30/708,591,858.45 = 165,717,685.90/x
  3. Step 3: Cross multiply
    472,394,572.30x = 708,591,858.45 × 165,717,685.90
  4. Step 4: Simplify right side
    472,394,572.30x = 117,426,203,029,914,368
  5. Step 5: Solve for x
    x = 117,426,203,029,914,368/472,394,572.30
  6. Step 6: Final answer
    x = 248,576,528.85

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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.