Home / 655,965,660.48-905,189,474.88-377,462,232.96

Finding the Fourth Proportional to 655,965,660.48, 905,189,474.88 and 377,462,232.96

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Solution

The fourth proportional to 655,965,660.48, 905,189,474.88 and 377,462,232.96 is: 520,873,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,965,660.48 : 905,189,474.88 = 377,462,232.96 : x
  2. Step 2: Convert to fraction form
    655,965,660.48/905,189,474.88 = 377,462,232.96/x
  3. Step 3: Cross multiply
    655,965,660.48x = 905,189,474.88 × 377,462,232.96
  4. Step 4: Simplify right side
    655,965,660.48x = 341,674,840,440,094,592
  5. Step 5: Solve for x
    x = 341,674,840,440,094,592/655,965,660.48
  6. Step 6: Final answer
    x = 520,873,059.41

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1.5x scale

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.