Home / 668,585,620.26-922,635,223.11-371,212,494.30

Finding the Fourth Proportional to 668,585,620.26, 922,635,223.11 and 371,212,494.30

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Solution

The fourth proportional to 668,585,620.26, 922,635,223.11 and 371,212,494.30 is: 512,266,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,585,620.26 : 922,635,223.11 = 371,212,494.30 : x
  2. Step 2: Convert to fraction form
    668,585,620.26/922,635,223.11 = 371,212,494.30/x
  3. Step 3: Cross multiply
    668,585,620.26x = 922,635,223.11 × 371,212,494.30
  4. Step 4: Simplify right side
    668,585,620.26x = 342,493,722,499,700,096
  5. Step 5: Solve for x
    x = 342,493,722,499,700,096/668,585,620.26
  6. Step 6: Final answer
    x = 512,266,061.55

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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.