Home / 314,952,448.20-472,428,672.30-200,019,474.60

Finding the Fourth Proportional to 314,952,448.20, 472,428,672.30 and 200,019,474.60

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Solution

The fourth proportional to 314,952,448.20, 472,428,672.30 and 200,019,474.60 is: 300,029,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,952,448.20 : 472,428,672.30 = 200,019,474.60 : x
  2. Step 2: Convert to fraction form
    314,952,448.20/472,428,672.30 = 200,019,474.60/x
  3. Step 3: Cross multiply
    314,952,448.20x = 472,428,672.30 × 200,019,474.60
  4. Step 4: Simplify right side
    314,952,448.20x = 94,494,934,819,421,568
  5. Step 5: Solve for x
    x = 94,494,934,819,421,568/314,952,448.20
  6. Step 6: Final answer
    x = 300,029,211.90

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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.