Home / 717,790,050.54-1,076,693,619.87-200,188,998.90

Finding the Fourth Proportional to 717,790,050.54, 1,076,693,619.87 and 200,188,998.90

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Solution

The fourth proportional to 717,790,050.54, 1,076,693,619.87 and 200,188,998.90 is: 300,285,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,790,050.54 : 1,076,693,619.87 = 200,188,998.90 : x
  2. Step 2: Convert to fraction form
    717,790,050.54/1,076,693,619.87 = 200,188,998.90/x
  3. Step 3: Cross multiply
    717,790,050.54x = 1,076,693,619.87 × 200,188,998.90
  4. Step 4: Simplify right side
    717,790,050.54x = 215,542,217,883,792,416
  5. Step 5: Solve for x
    x = 215,542,217,883,792,416/717,790,050.54
  6. Step 6: Final answer
    x = 300,285,881.26

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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.