Home / 659,542,572.90-989,505,334.44-265,866,234.39

Finding the Fourth Proportional to 659,542,572.90, 989,505,334.44 and 265,866,234.39

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Solution

The fourth proportional to 659,542,572.90, 989,505,334.44 and 265,866,234.39 is: 398,876,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,542,572.90 : 989,505,334.44 = 265,866,234.39 : x
  2. Step 2: Convert to fraction form
    659,542,572.90/989,505,334.44 = 265,866,234.39/x
  3. Step 3: Cross multiply
    659,542,572.90x = 989,505,334.44 × 265,866,234.39
  4. Step 4: Simplify right side
    659,542,572.90x = 263,076,057,176,380,384
  5. Step 5: Solve for x
    x = 263,076,057,176,380,384/659,542,572.90
  6. Step 6: Final answer
    x = 398,876,536.54

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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.