Home / 356,088,940.40-534,133,410.60-323,777,327.60

Finding the Fourth Proportional to 356,088,940.40, 534,133,410.60 and 323,777,327.60

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Solution

The fourth proportional to 356,088,940.40, 534,133,410.60 and 323,777,327.60 is: 485,665,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088,940.40 : 534,133,410.60 = 323,777,327.60 : x
  2. Step 2: Convert to fraction form
    356,088,940.40/534,133,410.60 = 323,777,327.60/x
  3. Step 3: Cross multiply
    356,088,940.40x = 534,133,410.60 × 323,777,327.60
  4. Step 4: Simplify right side
    356,088,940.40x = 172,940,288,265,941,536
  5. Step 5: Solve for x
    x = 172,940,288,265,941,536/356,088,940.40
  6. Step 6: Final answer
    x = 485,665,991.40

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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.