Home / 340,183,383.30-509,860,521.72-176,330,806.38

Finding the Fourth Proportional to 340,183,383.30, 509,860,521.72 and 176,330,806.38

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Solution

The fourth proportional to 340,183,383.30, 509,860,521.72 and 176,330,806.38 is: 264,281,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,183,383.30 : 509,860,521.72 = 176,330,806.38 : x
  2. Step 2: Convert to fraction form
    340,183,383.30/509,860,521.72 = 176,330,806.38/x
  3. Step 3: Cross multiply
    340,183,383.30x = 509,860,521.72 × 176,330,806.38
  4. Step 4: Simplify right side
    340,183,383.30x = 89,904,116,936,215,104
  5. Step 5: Solve for x
    x = 89,904,116,936,215,104/340,183,383.30
  6. Step 6: Final answer
    x = 264,281,329.86

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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.