Home / 2,989,114,664.90-4,484,099,891.19-919,010,223.14

Finding the Fourth Proportional to 2,989,114,664.90, 4,484,099,891.19 and 919,010,223.14

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Solution

The fourth proportional to 2,989,114,664.90, 4,484,099,891.19 and 919,010,223.14 is: 1,378,646,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,114,664.90 : 4,484,099,891.19 = 919,010,223.14 : x
  2. Step 2: Convert to fraction form
    2,989,114,664.90/4,484,099,891.19 = 919,010,223.14/x
  3. Step 3: Cross multiply
    2,989,114,664.90x = 4,484,099,891.19 × 919,010,223.14
  4. Step 4: Simplify right side
    2,989,114,664.90x = 4,120,933,641,584,571,392
  5. Step 5: Solve for x
    x = 4,120,933,641,584,571,392/2,989,114,664.90
  6. Step 6: Final answer
    x = 1,378,646,891.66

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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.