Home / 706,638,644.24-1,059,467,116.82-312,950,940.41

Finding the Fourth Proportional to 706,638,644.24, 1,059,467,116.82 and 312,950,940.41

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Solution

The fourth proportional to 706,638,644.24, 1,059,467,116.82 and 312,950,940.41 is: 469,209,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,644.24 : 1,059,467,116.82 = 312,950,940.41 : x
  2. Step 2: Convert to fraction form
    706,638,644.24/1,059,467,116.82 = 312,950,940.41/x
  3. Step 3: Cross multiply
    706,638,644.24x = 1,059,467,116.82 × 312,950,940.41
  4. Step 4: Simplify right side
    706,638,644.24x = 331,561,230,543,374,272
  5. Step 5: Solve for x
    x = 331,561,230,543,374,272/706,638,644.24
  6. Step 6: Final answer
    x = 469,209,026.78

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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.