Home / 1,772,930,286.10-2,659,395,429.15-545,939,305.30

Finding the Fourth Proportional to 1,772,930,286.10, 2,659,395,429.15 and 545,939,305.30

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Solution

The fourth proportional to 1,772,930,286.10, 2,659,395,429.15 and 545,939,305.30 is: 818,908,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,930,286.10 : 2,659,395,429.15 = 545,939,305.30 : x
  2. Step 2: Convert to fraction form
    1,772,930,286.10/2,659,395,429.15 = 545,939,305.30/x
  3. Step 3: Cross multiply
    1,772,930,286.10x = 2,659,395,429.15 × 545,939,305.30
  4. Step 4: Simplify right side
    1,772,930,286.10x = 1,451,868,493,108,146,176
  5. Step 5: Solve for x
    x = 1,451,868,493,108,146,176/1,772,930,286.10
  6. Step 6: Final answer
    x = 818,908,957.95

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Double scale
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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.