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Finding the Fourth Proportional to 580,608,081.60, 870,912,122.40 and 217,055,198.40

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Solution

The fourth proportional to 580,608,081.60, 870,912,122.40 and 217,055,198.40 is: 325,582,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,081.60 : 870,912,122.40 = 217,055,198.40 : x
  2. Step 2: Convert to fraction form
    580,608,081.60/870,912,122.40 = 217,055,198.40/x
  3. Step 3: Cross multiply
    580,608,081.60x = 870,912,122.40 × 217,055,198.40
  4. Step 4: Simplify right side
    580,608,081.60x = 189,036,003,516,497,088
  5. Step 5: Solve for x
    x = 189,036,003,516,497,088/580,608,081.60
  6. Step 6: Final answer
    x = 325,582,797.60

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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.