Home / 339,968,500.70-509,952,751.05-271,944,052.70

Finding the Fourth Proportional to 339,968,500.70, 509,952,751.05 and 271,944,052.70

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Solution

The fourth proportional to 339,968,500.70, 509,952,751.05 and 271,944,052.70 is: 407,916,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968,500.70 : 509,952,751.05 = 271,944,052.70 : x
  2. Step 2: Convert to fraction form
    339,968,500.70/509,952,751.05 = 271,944,052.70/x
  3. Step 3: Cross multiply
    339,968,500.70x = 509,952,751.05 × 271,944,052.70
  4. Step 4: Simplify right side
    339,968,500.70x = 138,678,617,806,051,184
  5. Step 5: Solve for x
    x = 138,678,617,806,051,184/339,968,500.70
  6. Step 6: Final answer
    x = 407,916,079.05

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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.