Home / 516,128,002.20-774,192,003.30-333,385,781.40

Finding the Fourth Proportional to 516,128,002.20, 774,192,003.30 and 333,385,781.40

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Solution

The fourth proportional to 516,128,002.20, 774,192,003.30 and 333,385,781.40 is: 500,078,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,128,002.20 : 774,192,003.30 = 333,385,781.40 : x
  2. Step 2: Convert to fraction form
    516,128,002.20/774,192,003.30 = 333,385,781.40/x
  3. Step 3: Cross multiply
    516,128,002.20x = 774,192,003.30 × 333,385,781.40
  4. Step 4: Simplify right side
    516,128,002.20x = 258,104,605,973,801,856
  5. Step 5: Solve for x
    x = 258,104,605,973,801,856/516,128,002.20
  6. Step 6: Final answer
    x = 500,078,672.10

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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.