Home / 644,560,251,085.70-889,495,911,859.45-351,591,558,403.62

Finding the Fourth Proportional to 644,560,251,085.70, 889,495,911,859.45 and 351,591,558,403.62

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Solution

The fourth proportional to 644,560,251,085.70, 889,495,911,859.45 and 351,591,558,403.62 is: 485,197,859,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,251,085.70 : 889,495,911,859.45 = 351,591,558,403.62 : x
  2. Step 2: Convert to fraction form
    644,560,251,085.70/889,495,911,859.45 = 351,591,558,403.62/x
  3. Step 3: Cross multiply
    644,560,251,085.70x = 889,495,911,859.45 × 351,591,558,403.62
  4. Step 4: Simplify right side
    644,560,251,085.70x = 312,739,253,844,313,045,467,136
  5. Step 5: Solve for x
    x = 312,739,253,844,313,045,467,136/644,560,251,085.70
  6. Step 6: Final answer
    x = 485,197,859,032.63

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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.