Home / 352,291,237.60-528,436,856.40-221,344,175.20

Finding the Fourth Proportional to 352,291,237.60, 528,436,856.40 and 221,344,175.20

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Solution

The fourth proportional to 352,291,237.60, 528,436,856.40 and 221,344,175.20 is: 332,016,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,291,237.60 : 528,436,856.40 = 221,344,175.20 : x
  2. Step 2: Convert to fraction form
    352,291,237.60/528,436,856.40 = 221,344,175.20/x
  3. Step 3: Cross multiply
    352,291,237.60x = 528,436,856.40 × 221,344,175.20
  4. Step 4: Simplify right side
    352,291,237.60x = 116,966,420,125,138,832
  5. Step 5: Solve for x
    x = 116,966,420,125,138,832/352,291,237.60
  6. Step 6: Final answer
    x = 332,016,262.80

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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.