Home / 2,018,520,174.20-3,029,134,451.70-708,419,694.20

Finding the Fourth Proportional to 2,018,520,174.20, 3,029,134,451.70 and 708,419,694.20

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Solution

The fourth proportional to 2,018,520,174.20, 3,029,134,451.70 and 708,419,694.20 is: 1,063,104,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,520,174.20 : 3,029,134,451.70 = 708,419,694.20 : x
  2. Step 2: Convert to fraction form
    2,018,520,174.20/3,029,134,451.70 = 708,419,694.20/x
  3. Step 3: Cross multiply
    2,018,520,174.20x = 3,029,134,451.70 × 708,419,694.20
  4. Step 4: Simplify right side
    2,018,520,174.20x = 2,145,898,501,963,998,720
  5. Step 5: Solve for x
    x = 2,145,898,501,963,998,720/2,018,520,174.20
  6. Step 6: Final answer
    x = 1,063,104,807.86

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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.