Home / 853,601,625.60-1,280,268,345.60-271,259,128.32

Finding the Fourth Proportional to 853,601,625.60, 1,280,268,345.60 and 271,259,128.32

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Solution

The fourth proportional to 853,601,625.60, 1,280,268,345.60 and 271,259,128.32 is: 406,846,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,601,625.60 : 1,280,268,345.60 = 271,259,128.32 : x
  2. Step 2: Convert to fraction form
    853,601,625.60/1,280,268,345.60 = 271,259,128.32/x
  3. Step 3: Cross multiply
    853,601,625.60x = 1,280,268,345.60 × 271,259,128.32
  4. Step 4: Simplify right side
    853,601,625.60x = 347,284,475,443,144,448
  5. Step 5: Solve for x
    x = 347,284,475,443,144,448/853,601,625.60
  6. Step 6: Final answer
    x = 406,846,080.22

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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.