Home / 772,419,005.10-1,158,628,507.65-287,644,502.70

Finding the Fourth Proportional to 772,419,005.10, 1,158,628,507.65 and 287,644,502.70

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Solution

The fourth proportional to 772,419,005.10, 1,158,628,507.65 and 287,644,502.70 is: 431,466,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,419,005.10 : 1,158,628,507.65 = 287,644,502.70 : x
  2. Step 2: Convert to fraction form
    772,419,005.10/1,158,628,507.65 = 287,644,502.70/x
  3. Step 3: Cross multiply
    772,419,005.10x = 1,158,628,507.65 × 287,644,502.70
  4. Step 4: Simplify right side
    772,419,005.10x = 333,273,120,897,027,392
  5. Step 5: Solve for x
    x = 333,273,120,897,027,392/772,419,005.10
  6. Step 6: Final answer
    x = 431,466,754.05

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