Home / 379,201,870.20-567,952,499.70-311,177,422.20

Finding the Fourth Proportional to 379,201,870.20, 567,952,499.70 and 311,177,422.20

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Solution

The fourth proportional to 379,201,870.20, 567,952,499.70 and 311,177,422.20 is: 466,068,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,201,870.20 : 567,952,499.70 = 311,177,422.20 : x
  2. Step 2: Convert to fraction form
    379,201,870.20/567,952,499.70 = 311,177,422.20/x
  3. Step 3: Cross multiply
    379,201,870.20x = 567,952,499.70 × 311,177,422.20
  4. Step 4: Simplify right side
    379,201,870.20x = 176,733,994,788,692,288
  5. Step 5: Solve for x
    x = 176,733,994,788,692,288/379,201,870.20
  6. Step 6: Final answer
    x = 466,068,362.73

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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.