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Finding the Fourth Proportional to 570,657,053.90, 855,715,745.23 and 221,066,860.39

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Solution

The fourth proportional to 570,657,053.90, 855,715,745.23 and 221,066,860.39 is: 331,495,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,657,053.90 : 855,715,745.23 = 221,066,860.39 : x
  2. Step 2: Convert to fraction form
    570,657,053.90/855,715,745.23 = 221,066,860.39/x
  3. Step 3: Cross multiply
    570,657,053.90x = 855,715,745.23 × 221,066,860.39
  4. Step 4: Simplify right side
    570,657,053.90x = 189,170,393,184,285,216
  5. Step 5: Solve for x
    x = 189,170,393,184,285,216/570,657,053.90
  6. Step 6: Final answer
    x = 331,495,758.95

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