Home / 1,206,079,118.65-1,664,429,553.57-670,253,366.71

Finding the Fourth Proportional to 1,206,079,118.65, 1,664,429,553.57 and 670,253,366.71

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Solution

The fourth proportional to 1,206,079,118.65, 1,664,429,553.57 and 670,253,366.71 is: 924,972,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,079,118.65 : 1,664,429,553.57 = 670,253,366.71 : x
  2. Step 2: Convert to fraction form
    1,206,079,118.65/1,664,429,553.57 = 670,253,366.71/x
  3. Step 3: Cross multiply
    1,206,079,118.65x = 1,664,429,553.57 × 670,253,366.71
  4. Step 4: Simplify right side
    1,206,079,118.65x = 1,115,589,511,931,914,880
  5. Step 5: Solve for x
    x = 1,115,589,511,931,914,880/1,206,079,118.65
  6. Step 6: Final answer
    x = 924,972,080.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.