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Finding the Fourth Proportional to 501,978,106.74, 692,811,939.51 and 418,213,409.88

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Solution

The fourth proportional to 501,978,106.74, 692,811,939.51 and 418,213,409.88 is: 577,202,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,978,106.74 : 692,811,939.51 = 418,213,409.88 : x
  2. Step 2: Convert to fraction form
    501,978,106.74/692,811,939.51 = 418,213,409.88/x
  3. Step 3: Cross multiply
    501,978,106.74x = 692,811,939.51 × 418,213,409.88
  4. Step 4: Simplify right side
    501,978,106.74x = 289,743,243,628,053,376
  5. Step 5: Solve for x
    x = 289,743,243,628,053,376/501,978,106.74
  6. Step 6: Final answer
    x = 577,202,949.17

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Why These Related Problems?

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