Home / 2,118,889,142.70-3,178,333,714.05-1,659,220,233.90

Finding the Fourth Proportional to 2,118,889,142.70, 3,178,333,714.05 and 1,659,220,233.90

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Solution

The fourth proportional to 2,118,889,142.70, 3,178,333,714.05 and 1,659,220,233.90 is: 2,488,830,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,889,142.70 : 3,178,333,714.05 = 1,659,220,233.90 : x
  2. Step 2: Convert to fraction form
    2,118,889,142.70/3,178,333,714.05 = 1,659,220,233.90/x
  3. Step 3: Cross multiply
    2,118,889,142.70x = 3,178,333,714.05 × 1,659,220,233.90
  4. Step 4: Simplify right side
    2,118,889,142.70x = 5,273,555,608,438,297,600
  5. Step 5: Solve for x
    x = 5,273,555,608,438,297,600/2,118,889,142.70
  6. Step 6: Final answer
    x = 2,488,830,350.85

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1.5x scale

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.