Home / 331,336,110.80-497,004,166.20-280,317,774.80

Finding the Fourth Proportional to 331,336,110.80, 497,004,166.20 and 280,317,774.80

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Solution

The fourth proportional to 331,336,110.80, 497,004,166.20 and 280,317,774.80 is: 420,476,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,336,110.80 : 497,004,166.20 = 280,317,774.80 : x
  2. Step 2: Convert to fraction form
    331,336,110.80/497,004,166.20 = 280,317,774.80/x
  3. Step 3: Cross multiply
    331,336,110.80x = 497,004,166.20 × 280,317,774.80
  4. Step 4: Simplify right side
    331,336,110.80x = 139,319,101,935,513,376
  5. Step 5: Solve for x
    x = 139,319,101,935,513,376/331,336,110.80
  6. Step 6: Final answer
    x = 420,476,662.20

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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.