Home / 525,755,042.25-788,610,636.26-137,569,278.21

Finding the Fourth Proportional to 525,755,042.25, 788,610,636.26 and 137,569,278.21

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Solution

The fourth proportional to 525,755,042.25, 788,610,636.26 and 137,569,278.21 is: 206,348,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,755,042.25 : 788,610,636.26 = 137,569,278.21 : x
  2. Step 2: Convert to fraction form
    525,755,042.25/788,610,636.26 = 137,569,278.21/x
  3. Step 3: Cross multiply
    525,755,042.25x = 788,610,636.26 × 137,569,278.21
  4. Step 4: Simplify right side
    525,755,042.25x = 108,488,596,019,017,056
  5. Step 5: Solve for x
    x = 108,488,596,019,017,056/525,755,042.25
  6. Step 6: Final answer
    x = 206,348,179.86

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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.