Home / 505,901,126.96-698,089,807.62-279,804,182.32

Finding the Fourth Proportional to 505,901,126.96, 698,089,807.62 and 279,804,182.32

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Solution

The fourth proportional to 505,901,126.96, 698,089,807.62 and 279,804,182.32 is: 386,100,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,901,126.96 : 698,089,807.62 = 279,804,182.32 : x
  2. Step 2: Convert to fraction form
    505,901,126.96/698,089,807.62 = 279,804,182.32/x
  3. Step 3: Cross multiply
    505,901,126.96x = 698,089,807.62 × 279,804,182.32
  4. Step 4: Simplify right side
    505,901,126.96x = 195,328,447,807,040,192
  5. Step 5: Solve for x
    x = 195,328,447,807,040,192/505,901,126.96
  6. Step 6: Final answer
    x = 386,100,044.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.