Home / 393,469,274.16-590,100,903.54-117,046,018.98

Finding the Fourth Proportional to 393,469,274.16, 590,100,903.54 and 117,046,018.98

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Solution

The fourth proportional to 393,469,274.16, 590,100,903.54 and 117,046,018.98 is: 175,538,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,469,274.16 : 590,100,903.54 = 117,046,018.98 : x
  2. Step 2: Convert to fraction form
    393,469,274.16/590,100,903.54 = 117,046,018.98/x
  3. Step 3: Cross multiply
    393,469,274.16x = 590,100,903.54 × 117,046,018.98
  4. Step 4: Simplify right side
    393,469,274.16x = 69,068,961,555,857,984
  5. Step 5: Solve for x
    x = 69,068,961,555,857,984/393,469,274.16
  6. Step 6: Final answer
    x = 175,538,386.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.