Home / 486,437,298,854.05-729,777,480,505.25-343,295,813,181.76

Finding the Fourth Proportional to 486,437,298,854.05, 729,777,480,505.25 and 343,295,813,181.76

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Solution

The fourth proportional to 486,437,298,854.05, 729,777,480,505.25 and 343,295,813,181.76 is: 515,029,489,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,437,298,854.05 : 729,777,480,505.25 = 343,295,813,181.76 : x
  2. Step 2: Convert to fraction form
    486,437,298,854.05/729,777,480,505.25 = 343,295,813,181.76/x
  3. Step 3: Cross multiply
    486,437,298,854.05x = 729,777,480,505.25 × 343,295,813,181.76
  4. Step 4: Simplify right side
    486,437,298,854.05x = 250,529,553,611,785,800,515,584
  5. Step 5: Solve for x
    x = 250,529,553,611,785,800,515,584/486,437,298,854.05
  6. Step 6: Final answer
    x = 515,029,489,313.39

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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.