Home / 3,321,472,579.80-4,978,807,647.30-1,940,576,285.40

Finding the Fourth Proportional to 3,321,472,579.80, 4,978,807,647.30 and 1,940,576,285.40

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Solution

The fourth proportional to 3,321,472,579.80, 4,978,807,647.30 and 1,940,576,285.40 is: 2,908,877,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,472,579.80 : 4,978,807,647.30 = 1,940,576,285.40 : x
  2. Step 2: Convert to fraction form
    3,321,472,579.80/4,978,807,647.30 = 1,940,576,285.40/x
  3. Step 3: Cross multiply
    3,321,472,579.80x = 4,978,807,647.30 × 1,940,576,285.40
  4. Step 4: Simplify right side
    3,321,472,579.80x = 9,661,756,049,918,547,968
  5. Step 5: Solve for x
    x = 9,661,756,049,918,547,968/3,321,472,579.80
  6. Step 6: Final answer
    x = 2,908,877,257.84

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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.