Home / 339,968,574.70-509,952,862.05-271,944,126.70

Finding the Fourth Proportional to 339,968,574.70, 509,952,862.05 and 271,944,126.70

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Solution

The fourth proportional to 339,968,574.70, 509,952,862.05 and 271,944,126.70 is: 407,916,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968,574.70 : 509,952,862.05 = 271,944,126.70 : x
  2. Step 2: Convert to fraction form
    339,968,574.70/509,952,862.05 = 271,944,126.70/x
  3. Step 3: Cross multiply
    339,968,574.70x = 509,952,862.05 × 271,944,126.70
  4. Step 4: Simplify right side
    339,968,574.70x = 138,678,685,728,352,816
  5. Step 5: Solve for x
    x = 138,678,685,728,352,816/339,968,574.70
  6. Step 6: Final answer
    x = 407,916,190.05

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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.