Home / 381,085,219.14-525,703,700.97-249,003,433.86

Finding the Fourth Proportional to 381,085,219.14, 525,703,700.97 and 249,003,433.86

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Solution

The fourth proportional to 381,085,219.14, 525,703,700.97 and 249,003,433.86 is: 343,498,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,085,219.14 : 525,703,700.97 = 249,003,433.86 : x
  2. Step 2: Convert to fraction form
    381,085,219.14/525,703,700.97 = 249,003,433.86/x
  3. Step 3: Cross multiply
    381,085,219.14x = 525,703,700.97 × 249,003,433.86
  4. Step 4: Simplify right side
    381,085,219.14x = 130,902,026,734,440,624
  5. Step 5: Solve for x
    x = 130,902,026,734,440,624/381,085,219.14
  6. Step 6: Final answer
    x = 343,498,042.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.