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Finding the Fourth Proportional to 218,913,074.40, 328,369,611.60 and 201,056,656.80

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Solution

The fourth proportional to 218,913,074.40, 328,369,611.60 and 201,056,656.80 is: 301,584,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,913,074.40 : 328,369,611.60 = 201,056,656.80 : x
  2. Step 2: Convert to fraction form
    218,913,074.40/328,369,611.60 = 201,056,656.80/x
  3. Step 3: Cross multiply
    218,913,074.40x = 328,369,611.60 × 201,056,656.80
  4. Step 4: Simplify right side
    218,913,074.40x = 66,020,896,303,010,504
  5. Step 5: Solve for x
    x = 66,020,896,303,010,504/218,913,074.40
  6. Step 6: Final answer
    x = 301,584,985.20

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