Home / 2,146,175,999.40-3,219,263,999.10-2,132,571,109.80

Finding the Fourth Proportional to 2,146,175,999.40, 3,219,263,999.10 and 2,132,571,109.80

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Solution

The fourth proportional to 2,146,175,999.40, 3,219,263,999.10 and 2,132,571,109.80 is: 3,198,856,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,175,999.40 : 3,219,263,999.10 = 2,132,571,109.80 : x
  2. Step 2: Convert to fraction form
    2,146,175,999.40/3,219,263,999.10 = 2,132,571,109.80/x
  3. Step 3: Cross multiply
    2,146,175,999.40x = 3,219,263,999.10 × 2,132,571,109.80
  4. Step 4: Simplify right side
    2,146,175,999.40x = 6,865,309,399,299,872,768
  5. Step 5: Solve for x
    x = 6,865,309,399,299,872,768/2,146,175,999.40
  6. Step 6: Final answer
    x = 3,198,856,664.70

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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.