Home / 664,150,846,963.20-916,529,052,665.84-359,657,028,074.76

Finding the Fourth Proportional to 664,150,846,963.20, 916,529,052,665.84 and 359,657,028,074.76

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Solution

The fourth proportional to 664,150,846,963.20, 916,529,052,665.84 and 359,657,028,074.76 is: 496,327,177,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,150,846,963.20 : 916,529,052,665.84 = 359,657,028,074.76 : x
  2. Step 2: Convert to fraction form
    664,150,846,963.20/916,529,052,665.84 = 359,657,028,074.76/x
  3. Step 3: Cross multiply
    664,150,846,963.20x = 916,529,052,665.84 × 359,657,028,074.76
  4. Step 4: Simplify right side
    664,150,846,963.20x = 329,636,115,225,971,227,885,568
  5. Step 5: Solve for x
    x = 329,636,115,225,971,227,885,568/664,150,846,963.20
  6. Step 6: Final answer
    x = 496,327,177,377.28

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Double scale
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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.