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Finding the Fourth Proportional to 537,299,978.60, 804,606,275.10 and 429,804,554.60

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Solution

The fourth proportional to 537,299,978.60, 804,606,275.10 and 429,804,554.60 is: 643,631,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,299,978.60 : 804,606,275.10 = 429,804,554.60 : x
  2. Step 2: Convert to fraction form
    537,299,978.60/804,606,275.10 = 429,804,554.60/x
  3. Step 3: Cross multiply
    537,299,978.60x = 804,606,275.10 × 429,804,554.60
  4. Step 4: Simplify right side
    537,299,978.60x = 345,823,441,697,720,576
  5. Step 5: Solve for x
    x = 345,823,441,697,720,576/537,299,978.60
  6. Step 6: Final answer
    x = 643,631,966.26

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