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Finding the Fourth Proportional to 580,336,718.40, 869,371,336.80 and 349,620,465.60

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Solution

The fourth proportional to 580,336,718.40, 869,371,336.80 and 349,620,465.60 is: 523,747,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,336,718.40 : 869,371,336.80 = 349,620,465.60 : x
  2. Step 2: Convert to fraction form
    580,336,718.40/869,371,336.80 = 349,620,465.60/x
  3. Step 3: Cross multiply
    580,336,718.40x = 869,371,336.80 × 349,620,465.60
  4. Step 4: Simplify right side
    580,336,718.40x = 303,950,011,551,310,400
  5. Step 5: Solve for x
    x = 303,950,011,551,310,400/580,336,718.40
  6. Step 6: Final answer
    x = 523,747,682.88

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