Home / 809,797,490.92-1,214,445,159.06-292,160,659.96

Finding the Fourth Proportional to 809,797,490.92, 1,214,445,159.06 and 292,160,659.96

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Solution

The fourth proportional to 809,797,490.92, 1,214,445,159.06 and 292,160,659.96 is: 438,150,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,797,490.92 : 1,214,445,159.06 = 292,160,659.96 : x
  2. Step 2: Convert to fraction form
    809,797,490.92/1,214,445,159.06 = 292,160,659.96/x
  3. Step 3: Cross multiply
    809,797,490.92x = 1,214,445,159.06 × 292,160,659.96
  4. Step 4: Simplify right side
    809,797,490.92x = 354,813,099,156,196,736
  5. Step 5: Solve for x
    x = 354,813,099,156,196,736/809,797,490.92
  6. Step 6: Final answer
    x = 438,150,405.67

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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.