Home / 743,172,205.44-1,025,607,194.40-408,672,151.96

Finding the Fourth Proportional to 743,172,205.44, 1,025,607,194.40 and 408,672,151.96

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Solution

The fourth proportional to 743,172,205.44, 1,025,607,194.40 and 408,672,151.96 is: 563,983,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,172,205.44 : 1,025,607,194.40 = 408,672,151.96 : x
  2. Step 2: Convert to fraction form
    743,172,205.44/1,025,607,194.40 = 408,672,151.96/x
  3. Step 3: Cross multiply
    743,172,205.44x = 1,025,607,194.40 × 408,672,151.96
  4. Step 4: Simplify right side
    743,172,205.44x = 419,137,099,201,106,048
  5. Step 5: Solve for x
    x = 419,137,099,201,106,048/743,172,205.44
  6. Step 6: Final answer
    x = 563,983,819.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.