Home / 293,418,145.80-440,127,218.70-271,247,214.60

Finding the Fourth Proportional to 293,418,145.80, 440,127,218.70 and 271,247,214.60

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Solution

The fourth proportional to 293,418,145.80, 440,127,218.70 and 271,247,214.60 is: 406,870,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,418,145.80 : 440,127,218.70 = 271,247,214.60 : x
  2. Step 2: Convert to fraction form
    293,418,145.80/440,127,218.70 = 271,247,214.60/x
  3. Step 3: Cross multiply
    293,418,145.80x = 440,127,218.70 × 271,247,214.60
  4. Step 4: Simplify right side
    293,418,145.80x = 119,383,282,142,020,048
  5. Step 5: Solve for x
    x = 119,383,282,142,020,048/293,418,145.80
  6. Step 6: Final answer
    x = 406,870,821.90

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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.