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Finding the Fourth Proportional to 978,151,350.80, 1,466,837,302.80 and 322,920,027.20

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Solution

The fourth proportional to 978,151,350.80, 1,466,837,302.80 and 322,920,027.20 is: 484,251,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,151,350.80 : 1,466,837,302.80 = 322,920,027.20 : x
  2. Step 2: Convert to fraction form
    978,151,350.80/1,466,837,302.80 = 322,920,027.20/x
  3. Step 3: Cross multiply
    978,151,350.80x = 1,466,837,302.80 × 322,920,027.20
  4. Step 4: Simplify right side
    978,151,350.80x = 473,671,141,718,150,592
  5. Step 5: Solve for x
    x = 473,671,141,718,150,592/978,151,350.80
  6. Step 6: Final answer
    x = 484,251,380.25

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