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Finding the Fourth Proportional to 559,872,021.60, 839,808,032.40 and 515,530,159.20

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Solution

The fourth proportional to 559,872,021.60, 839,808,032.40 and 515,530,159.20 is: 773,295,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,021.60 : 839,808,032.40 = 515,530,159.20 : x
  2. Step 2: Convert to fraction form
    559,872,021.60/839,808,032.40 = 515,530,159.20/x
  3. Step 3: Cross multiply
    559,872,021.60x = 839,808,032.40 × 515,530,159.20
  4. Step 4: Simplify right side
    559,872,021.60x = 432,946,368,640,610,752
  5. Step 5: Solve for x
    x = 432,946,368,640,610,752/559,872,021.60
  6. Step 6: Final answer
    x = 773,295,238.80

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