Home / 721,352,528.54-1,082,728,486.11-348,123,071.95

Finding the Fourth Proportional to 721,352,528.54, 1,082,728,486.11 and 348,123,071.95

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Solution

The fourth proportional to 721,352,528.54, 1,082,728,486.11 and 348,123,071.95 is: 522,522,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,528.54 : 1,082,728,486.11 = 348,123,071.95 : x
  2. Step 2: Convert to fraction form
    721,352,528.54/1,082,728,486.11 = 348,123,071.95/x
  3. Step 3: Cross multiply
    721,352,528.54x = 1,082,728,486.11 × 348,123,071.95
  4. Step 4: Simplify right side
    721,352,528.54x = 376,922,766,677,052,224
  5. Step 5: Solve for x
    x = 376,922,766,677,052,224/721,352,528.54
  6. Step 6: Final answer
    x = 522,522,278.31

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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.