Home / 721,352,537.98-1,082,728,500.27-348,123,081.41

Finding the Fourth Proportional to 721,352,537.98, 1,082,728,500.27 and 348,123,081.41

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Solution

The fourth proportional to 721,352,537.98, 1,082,728,500.27 and 348,123,081.41 is: 522,522,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,537.98 : 1,082,728,500.27 = 348,123,081.41 : x
  2. Step 2: Convert to fraction form
    721,352,537.98/1,082,728,500.27 = 348,123,081.41/x
  3. Step 3: Cross multiply
    721,352,537.98x = 1,082,728,500.27 × 348,123,081.41
  4. Step 4: Simplify right side
    721,352,537.98x = 376,922,781,844,420,416
  5. Step 5: Solve for x
    x = 376,922,781,844,420,416/721,352,537.98
  6. Step 6: Final answer
    x = 522,522,292.50

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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.