Home / 295,245,005.40-442,867,508.10-290,940,333.30

Finding the Fourth Proportional to 295,245,005.40, 442,867,508.10 and 290,940,333.30

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Solution

The fourth proportional to 295,245,005.40, 442,867,508.10 and 290,940,333.30 is: 436,410,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,005.40 : 442,867,508.10 = 290,940,333.30 : x
  2. Step 2: Convert to fraction form
    295,245,005.40/442,867,508.10 = 290,940,333.30/x
  3. Step 3: Cross multiply
    295,245,005.40x = 442,867,508.10 × 290,940,333.30
  4. Step 4: Simplify right side
    295,245,005.40x = 128,848,020,414,354,464
  5. Step 5: Solve for x
    x = 128,848,020,414,354,464/295,245,005.40
  6. Step 6: Final answer
    x = 436,410,499.95

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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.