Home / 672,143,978.00-1,007,640,887.15-257,918,047.83

Finding the Fourth Proportional to 672,143,978.00, 1,007,640,887.15 and 257,918,047.83

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Solution

The fourth proportional to 672,143,978.00, 1,007,640,887.15 and 257,918,047.83 is: 386,656,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,143,978.00 : 1,007,640,887.15 = 257,918,047.83 : x
  2. Step 2: Convert to fraction form
    672,143,978.00/1,007,640,887.15 = 257,918,047.83/x
  3. Step 3: Cross multiply
    672,143,978.00x = 1,007,640,887.15 × 257,918,047.83
  4. Step 4: Simplify right side
    672,143,978.00x = 259,888,770,528,062,144
  5. Step 5: Solve for x
    x = 259,888,770,528,062,144/672,143,978.00
  6. Step 6: Final answer
    x = 386,656,399.57

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