Home / 1,115,767,200.71-1,673,892,917.32-339,392,683.27

Finding the Fourth Proportional to 1,115,767,200.71, 1,673,892,917.32 and 339,392,683.27

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Solution

The fourth proportional to 1,115,767,200.71, 1,673,892,917.32 and 339,392,683.27 is: 509,162,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,767,200.71 : 1,673,892,917.32 = 339,392,683.27 : x
  2. Step 2: Convert to fraction form
    1,115,767,200.71/1,673,892,917.32 = 339,392,683.27/x
  3. Step 3: Cross multiply
    1,115,767,200.71x = 1,673,892,917.32 × 339,392,683.27
  4. Step 4: Simplify right side
    1,115,767,200.71x = 568,107,008,715,883,008
  5. Step 5: Solve for x
    x = 568,107,008,715,883,008/1,115,767,200.71
  6. Step 6: Final answer
    x = 509,162,671.53

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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.