Home / 459,768,970,003.20-689,653,455,004.80-271,694,976,172.80

Finding the Fourth Proportional to 459,768,970,003.20, 689,653,455,004.80 and 271,694,976,172.80

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Solution

The fourth proportional to 459,768,970,003.20, 689,653,455,004.80 and 271,694,976,172.80 is: 407,542,464,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,768,970,003.20 : 689,653,455,004.80 = 271,694,976,172.80 : x
  2. Step 2: Convert to fraction form
    459,768,970,003.20/689,653,455,004.80 = 271,694,976,172.80/x
  3. Step 3: Cross multiply
    459,768,970,003.20x = 689,653,455,004.80 × 271,694,976,172.80
  4. Step 4: Simplify right side
    459,768,970,003.20x = 187,375,379,025,018,348,371,968
  5. Step 5: Solve for x
    x = 187,375,379,025,018,348,371,968/459,768,970,003.20
  6. Step 6: Final answer
    x = 407,542,464,259.20

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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.