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Finding the Fourth Proportional to 2,691,036,652.40, 4,036,554,978.60 and 725,885,932.40

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Solution

The fourth proportional to 2,691,036,652.40, 4,036,554,978.60 and 725,885,932.40 is: 1,088,828,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,036,652.40 : 4,036,554,978.60 = 725,885,932.40 : x
  2. Step 2: Convert to fraction form
    2,691,036,652.40/4,036,554,978.60 = 725,885,932.40/x
  3. Step 3: Cross multiply
    2,691,036,652.40x = 4,036,554,978.60 × 725,885,932.40
  4. Step 4: Simplify right side
    2,691,036,652.40x = 2,930,078,474,324,922,880
  5. Step 5: Solve for x
    x = 2,930,078,474,324,922,880/2,691,036,652.40
  6. Step 6: Final answer
    x = 1,088,828,898.60

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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.