Home / 766,188,700.88-1,057,340,400.98-413,764,660.46

Finding the Fourth Proportional to 766,188,700.88, 1,057,340,400.98 and 413,764,660.46

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Solution

The fourth proportional to 766,188,700.88, 1,057,340,400.98 and 413,764,660.46 is: 570,995,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,188,700.88 : 1,057,340,400.98 = 413,764,660.46 : x
  2. Step 2: Convert to fraction form
    766,188,700.88/1,057,340,400.98 = 413,764,660.46/x
  3. Step 3: Cross multiply
    766,188,700.88x = 1,057,340,400.98 × 413,764,660.46
  4. Step 4: Simplify right side
    766,188,700.88x = 437,490,092,008,229,056
  5. Step 5: Solve for x
    x = 437,490,092,008,229,056/766,188,700.88
  6. Step 6: Final answer
    x = 570,995,228.08

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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.