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Finding the Fourth Proportional to 520,032,154.80, 780,163,705.80 and 174,976,042.80

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Solution

The fourth proportional to 520,032,154.80, 780,163,705.80 and 174,976,042.80 is: 262,502,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,032,154.80 : 780,163,705.80 = 174,976,042.80 : x
  2. Step 2: Convert to fraction form
    520,032,154.80/780,163,705.80 = 174,976,042.80/x
  3. Step 3: Cross multiply
    520,032,154.80x = 780,163,705.80 × 174,976,042.80
  4. Step 4: Simplify right side
    520,032,154.80x = 136,509,957,977,067,408
  5. Step 5: Solve for x
    x = 136,509,957,977,067,408/520,032,154.80
  6. Step 6: Final answer
    x = 262,502,917.79

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