Home / 721,352,515.35-1,082,728,466.28-348,123,058.77

Finding the Fourth Proportional to 721,352,515.35, 1,082,728,466.28 and 348,123,058.77

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Solution

The fourth proportional to 721,352,515.35, 1,082,728,466.28 and 348,123,058.77 is: 522,522,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,515.35 : 1,082,728,466.28 = 348,123,058.77 : x
  2. Step 2: Convert to fraction form
    721,352,515.35/1,082,728,466.28 = 348,123,058.77/x
  3. Step 3: Cross multiply
    721,352,515.35x = 1,082,728,466.28 × 348,123,058.77
  4. Step 4: Simplify right side
    721,352,515.35x = 376,922,745,498,744,384
  5. Step 5: Solve for x
    x = 376,922,745,498,744,384/721,352,515.35
  6. Step 6: Final answer
    x = 522,522,258.50

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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.