Home / 721,352,528.10-1,082,728,485.50-348,123,071.52

Finding the Fourth Proportional to 721,352,528.10, 1,082,728,485.50 and 348,123,071.52

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Solution

The fourth proportional to 721,352,528.10, 1,082,728,485.50 and 348,123,071.52 is: 522,522,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,528.10 : 1,082,728,485.50 = 348,123,071.52 : x
  2. Step 2: Convert to fraction form
    721,352,528.10/1,082,728,485.50 = 348,123,071.52/x
  3. Step 3: Cross multiply
    721,352,528.10x = 1,082,728,485.50 × 348,123,071.52
  4. Step 4: Simplify right side
    721,352,528.10x = 376,922,765,992,717,120
  5. Step 5: Solve for x
    x = 376,922,765,992,717,120/721,352,528.10
  6. Step 6: Final answer
    x = 522,522,277.68

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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.