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Finding the Fourth Proportional to 813,504,116.16, 1,219,796,624.16 and 744,091,229.52

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Solution

The fourth proportional to 813,504,116.16, 1,219,796,624.16 and 744,091,229.52 is: 1,115,716,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,504,116.16 : 1,219,796,624.16 = 744,091,229.52 : x
  2. Step 2: Convert to fraction form
    813,504,116.16/1,219,796,624.16 = 744,091,229.52/x
  3. Step 3: Cross multiply
    813,504,116.16x = 1,219,796,624.16 × 744,091,229.52
  4. Step 4: Simplify right side
    813,504,116.16x = 907,639,969,835,559,808
  5. Step 5: Solve for x
    x = 907,639,969,835,559,808/813,504,116.16
  6. Step 6: Final answer
    x = 1,115,716,505.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.