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Finding the Fourth Proportional to 425,735,999.40, 638,603,999.10 and 119,027,620.20

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Solution

The fourth proportional to 425,735,999.40, 638,603,999.10 and 119,027,620.20 is: 178,541,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,735,999.40 : 638,603,999.10 = 119,027,620.20 : x
  2. Step 2: Convert to fraction form
    425,735,999.40/638,603,999.10 = 119,027,620.20/x
  3. Step 3: Cross multiply
    425,735,999.40x = 638,603,999.10 × 119,027,620.20
  4. Step 4: Simplify right side
    425,735,999.40x = 76,011,514,263,075,952
  5. Step 5: Solve for x
    x = 76,011,514,263,075,952/425,735,999.40
  6. Step 6: Final answer
    x = 178,541,430.30

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