Home / 1,772,930,286.60-2,659,395,429.90-545,939,305.80

Finding the Fourth Proportional to 1,772,930,286.60, 2,659,395,429.90 and 545,939,305.80

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Solution

The fourth proportional to 1,772,930,286.60, 2,659,395,429.90 and 545,939,305.80 is: 818,908,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,930,286.60 : 2,659,395,429.90 = 545,939,305.80 : x
  2. Step 2: Convert to fraction form
    1,772,930,286.60/2,659,395,429.90 = 545,939,305.80/x
  3. Step 3: Cross multiply
    1,772,930,286.60x = 2,659,395,429.90 × 545,939,305.80
  4. Step 4: Simplify right side
    1,772,930,286.60x = 1,451,868,494,847,298,560
  5. Step 5: Solve for x
    x = 1,451,868,494,847,298,560/1,772,930,286.60
  6. Step 6: Final answer
    x = 818,908,958.70

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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.