Home / 569,512,974.85-785,922,115.42-315,194,826.22

Finding the Fourth Proportional to 569,512,974.85, 785,922,115.42 and 315,194,826.22

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Solution

The fourth proportional to 569,512,974.85, 785,922,115.42 and 315,194,826.22 is: 434,965,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,512,974.85 : 785,922,115.42 = 315,194,826.22 : x
  2. Step 2: Convert to fraction form
    569,512,974.85/785,922,115.42 = 315,194,826.22/x
  3. Step 3: Cross multiply
    569,512,974.85x = 785,922,115.42 × 315,194,826.22
  4. Step 4: Simplify right side
    569,512,974.85x = 247,718,584,592,261,696
  5. Step 5: Solve for x
    x = 247,718,584,592,261,696/569,512,974.85
  6. Step 6: Final answer
    x = 434,965,655.80

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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.