Home / 396,402,428.20-594,603,642.30-109,188,092.20

Finding the Fourth Proportional to 396,402,428.20, 594,603,642.30 and 109,188,092.20

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Solution

The fourth proportional to 396,402,428.20, 594,603,642.30 and 109,188,092.20 is: 163,782,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,402,428.20 : 594,603,642.30 = 109,188,092.20 : x
  2. Step 2: Convert to fraction form
    396,402,428.20/594,603,642.30 = 109,188,092.20/x
  3. Step 3: Cross multiply
    396,402,428.20x = 594,603,642.30 × 109,188,092.20
  4. Step 4: Simplify right side
    396,402,428.20x = 64,923,637,317,908,216
  5. Step 5: Solve for x
    x = 64,923,637,317,908,216/396,402,428.20
  6. Step 6: Final answer
    x = 163,782,138.30

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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.