Home / 314,936,605.80-472,404,908.70-271,098,628.20

Finding the Fourth Proportional to 314,936,605.80, 472,404,908.70 and 271,098,628.20

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Solution

The fourth proportional to 314,936,605.80, 472,404,908.70 and 271,098,628.20 is: 406,647,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,936,605.80 : 472,404,908.70 = 271,098,628.20 : x
  2. Step 2: Convert to fraction form
    314,936,605.80/472,404,908.70 = 271,098,628.20/x
  3. Step 3: Cross multiply
    314,936,605.80x = 472,404,908.70 × 271,098,628.20
  4. Step 4: Simplify right side
    314,936,605.80x = 128,068,322,703,516,240
  5. Step 5: Solve for x
    x = 128,068,322,703,516,240/314,936,605.80
  6. Step 6: Final answer
    x = 406,647,942.30

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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.