Home / 391,085,773.20-586,628,659.80-348,003,622.80

Finding the Fourth Proportional to 391,085,773.20, 586,628,659.80 and 348,003,622.80

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Solution

The fourth proportional to 391,085,773.20, 586,628,659.80 and 348,003,622.80 is: 522,005,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,085,773.20 : 586,628,659.80 = 348,003,622.80 : x
  2. Step 2: Convert to fraction form
    391,085,773.20/586,628,659.80 = 348,003,622.80/x
  3. Step 3: Cross multiply
    391,085,773.20x = 586,628,659.80 × 348,003,622.80
  4. Step 4: Simplify right side
    391,085,773.20x = 204,148,898,848,708,704
  5. Step 5: Solve for x
    x = 204,148,898,848,708,704/391,085,773.20
  6. Step 6: Final answer
    x = 522,005,434.20

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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.