Home / 358,571,972.83-494,816,258.58-199,793,892.01

Finding the Fourth Proportional to 358,571,972.83, 494,816,258.58 and 199,793,892.01

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Solution

The fourth proportional to 358,571,972.83, 494,816,258.58 and 199,793,892.01 is: 275,708,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,972.83 : 494,816,258.58 = 199,793,892.01 : x
  2. Step 2: Convert to fraction form
    358,571,972.83/494,816,258.58 = 199,793,892.01/x
  3. Step 3: Cross multiply
    358,571,972.83x = 494,816,258.58 × 199,793,892.01
  4. Step 4: Simplify right side
    358,571,972.83x = 98,861,266,131,524,752
  5. Step 5: Solve for x
    x = 98,861,266,131,524,752/358,571,972.83
  6. Step 6: Final answer
    x = 275,708,291.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.