Home / 2,018,520,617.20-3,029,135,116.20-708,420,137.20

Finding the Fourth Proportional to 2,018,520,617.20, 3,029,135,116.20 and 708,420,137.20

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Solution

The fourth proportional to 2,018,520,617.20, 3,029,135,116.20 and 708,420,137.20 is: 1,063,105,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,520,617.20 : 3,029,135,116.20 = 708,420,137.20 : x
  2. Step 2: Convert to fraction form
    2,018,520,617.20/3,029,135,116.20 = 708,420,137.20/x
  3. Step 3: Cross multiply
    2,018,520,617.20x = 3,029,135,116.20 × 708,420,137.20
  4. Step 4: Simplify right side
    2,018,520,617.20x = 2,145,900,314,615,741,952
  5. Step 5: Solve for x
    x = 2,145,900,314,615,741,952/2,018,520,617.20
  6. Step 6: Final answer
    x = 1,063,105,472.56

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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.