Home / 515,705,904.20-773,558,856.30-413,669,232.20

Finding the Fourth Proportional to 515,705,904.20, 773,558,856.30 and 413,669,232.20

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Solution

The fourth proportional to 515,705,904.20, 773,558,856.30 and 413,669,232.20 is: 620,503,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,705,904.20 : 773,558,856.30 = 413,669,232.20 : x
  2. Step 2: Convert to fraction form
    515,705,904.20/773,558,856.30 = 413,669,232.20/x
  3. Step 3: Cross multiply
    515,705,904.20x = 773,558,856.30 × 413,669,232.20
  4. Step 4: Simplify right side
    515,705,904.20x = 319,997,498,147,131,072
  5. Step 5: Solve for x
    x = 319,997,498,147,131,072/515,705,904.20
  6. Step 6: Final answer
    x = 620,503,848.30

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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.