Home / 20,509,927,458.30-30,760,586,457.03-5,784,505,138.62

Finding the Fourth Proportional to 20,509,927,458.30, 30,760,586,457.03 and 5,784,505,138.62

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Solution

The fourth proportional to 20,509,927,458.30, 30,760,586,457.03 and 5,784,505,138.62 is: 8,675,543,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,927,458.30 : 30,760,586,457.03 = 5,784,505,138.62 : x
  2. Step 2: Convert to fraction form
    20,509,927,458.30/30,760,586,457.03 = 5,784,505,138.62/x
  3. Step 3: Cross multiply
    20,509,927,458.30x = 30,760,586,457.03 × 5,784,505,138.62
  4. Step 4: Simplify right side
    20,509,927,458.30x = 177,934,770,427,654,799,360
  5. Step 5: Solve for x
    x = 177,934,770,427,654,799,360/20,509,927,458.30
  6. Step 6: Final answer
    x = 8,675,543,625.86

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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.