Home / 492,947,425.48-680,288,702.34-272,930,845

Finding the Fourth Proportional to 492,947,425.48, 680,288,702.34 and 272,930,845

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Solution

The fourth proportional to 492,947,425.48, 680,288,702.34 and 272,930,845 is: 376,656,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,947,425.48 : 680,288,702.34 = 272,930,845 : x
  2. Step 2: Convert to fraction form
    492,947,425.48/680,288,702.34 = 272,930,845/x
  3. Step 3: Cross multiply
    492,947,425.48x = 680,288,702.34 × 272,930,845
  4. Step 4: Simplify right side
    492,947,425.48x = 185,671,770,373,609,696
  5. Step 5: Solve for x
    x = 185,671,770,373,609,696/492,947,425.48
  6. Step 6: Final answer
    x = 376,656,334.48

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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.