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Finding the Fourth Proportional to 557,636,645.20, 836,454,967.80 and 194,010,149.20

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Solution

The fourth proportional to 557,636,645.20, 836,454,967.80 and 194,010,149.20 is: 291,015,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,636,645.20 : 836,454,967.80 = 194,010,149.20 : x
  2. Step 2: Convert to fraction form
    557,636,645.20/836,454,967.80 = 194,010,149.20/x
  3. Step 3: Cross multiply
    557,636,645.20x = 836,454,967.80 × 194,010,149.20
  4. Step 4: Simplify right side
    557,636,645.20x = 162,280,753,101,959,168
  5. Step 5: Solve for x
    x = 162,280,753,101,959,168/557,636,645.20
  6. Step 6: Final answer
    x = 291,015,223.80

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