Home / 1,998,102,980.30-2,991,414,907.65-1,223,262,002.30

Finding the Fourth Proportional to 1,998,102,980.30, 2,991,414,907.65 and 1,223,262,002.30

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Solution

The fourth proportional to 1,998,102,980.30, 2,991,414,907.65 and 1,223,262,002.30 is: 1,831,379,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,102,980.30 : 2,991,414,907.65 = 1,223,262,002.30 : x
  2. Step 2: Convert to fraction form
    1,998,102,980.30/2,991,414,907.65 = 1,223,262,002.30/x
  3. Step 3: Cross multiply
    1,998,102,980.30x = 2,991,414,907.65 × 1,223,262,002.30
  4. Step 4: Simplify right side
    1,998,102,980.30x = 3,659,284,189,642,008,576
  5. Step 5: Solve for x
    x = 3,659,284,189,642,008,576/1,998,102,980.30
  6. Step 6: Final answer
    x = 1,831,379,176.01

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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.