Home / 1,276,926,004.20-1,914,633,179.10-664,705,972.20

Finding the Fourth Proportional to 1,276,926,004.20, 1,914,633,179.10 and 664,705,972.20

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Solution

The fourth proportional to 1,276,926,004.20, 1,914,633,179.10 and 664,705,972.20 is: 996,665,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,926,004.20 : 1,914,633,179.10 = 664,705,972.20 : x
  2. Step 2: Convert to fraction form
    1,276,926,004.20/1,914,633,179.10 = 664,705,972.20/x
  3. Step 3: Cross multiply
    1,276,926,004.20x = 1,914,633,179.10 × 664,705,972.20
  4. Step 4: Simplify right side
    1,276,926,004.20x = 1,272,668,108,720,042,240
  5. Step 5: Solve for x
    x = 1,272,668,108,720,042,240/1,276,926,004.20
  6. Step 6: Final answer
    x = 996,665,511.18

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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.