Home / 1,940,652,014.40-2,910,978,021.60-1,889,633,678.40

Finding the Fourth Proportional to 1,940,652,014.40, 2,910,978,021.60 and 1,889,633,678.40

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Solution

The fourth proportional to 1,940,652,014.40, 2,910,978,021.60 and 1,889,633,678.40 is: 2,834,450,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,652,014.40 : 2,910,978,021.60 = 1,889,633,678.40 : x
  2. Step 2: Convert to fraction form
    1,940,652,014.40/2,910,978,021.60 = 1,889,633,678.40/x
  3. Step 3: Cross multiply
    1,940,652,014.40x = 2,910,978,021.60 × 1,889,633,678.40
  4. Step 4: Simplify right side
    1,940,652,014.40x = 5,500,682,106,697,563,136
  5. Step 5: Solve for x
    x = 5,500,682,106,697,563,136/1,940,652,014.40
  6. Step 6: Final answer
    x = 2,834,450,517.60

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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.