Home / 344,640,013.80-516,960,020.70-331,035,124.20

Finding the Fourth Proportional to 344,640,013.80, 516,960,020.70 and 331,035,124.20

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Solution

The fourth proportional to 344,640,013.80, 516,960,020.70 and 331,035,124.20 is: 496,552,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,640,013.80 : 516,960,020.70 = 331,035,124.20 : x
  2. Step 2: Convert to fraction form
    344,640,013.80/516,960,020.70 = 331,035,124.20/x
  3. Step 3: Cross multiply
    344,640,013.80x = 516,960,020.70 × 331,035,124.20
  4. Step 4: Simplify right side
    344,640,013.80x = 171,131,924,658,859,072
  5. Step 5: Solve for x
    x = 171,131,924,658,859,072/344,640,013.80
  6. Step 6: Final answer
    x = 496,552,686.30

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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.