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Finding the Fourth Proportional to 488,793,032.40, 734,039,854.20 and 259,210,520.40

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Solution

The fourth proportional to 488,793,032.40, 734,039,854.20 and 259,210,520.40 is: 389,266,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793,032.40 : 734,039,854.20 = 259,210,520.40 : x
  2. Step 2: Convert to fraction form
    488,793,032.40/734,039,854.20 = 259,210,520.40/x
  3. Step 3: Cross multiply
    488,793,032.40x = 734,039,854.20 × 259,210,520.40
  4. Step 4: Simplify right side
    488,793,032.40x = 190,270,852,601,522,144
  5. Step 5: Solve for x
    x = 190,270,852,601,522,144/488,793,032.40
  6. Step 6: Final answer
    x = 389,266,703.88

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