Home / 1,273,188,220.80-1,910,790,100.80-497,205,628.80

Finding the Fourth Proportional to 1,273,188,220.80, 1,910,790,100.80 and 497,205,628.80

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Solution

The fourth proportional to 1,273,188,220.80, 1,910,790,100.80 and 497,205,628.80 is: 746,201,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,188,220.80 : 1,910,790,100.80 = 497,205,628.80 : x
  2. Step 2: Convert to fraction form
    1,273,188,220.80/1,910,790,100.80 = 497,205,628.80/x
  3. Step 3: Cross multiply
    1,273,188,220.80x = 1,910,790,100.80 × 497,205,628.80
  4. Step 4: Simplify right side
    1,273,188,220.80x = 950,055,593,573,079,424
  5. Step 5: Solve for x
    x = 950,055,593,573,079,424/1,273,188,220.80
  6. Step 6: Final answer
    x = 746,201,997.51

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Double scale
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1.5x scale

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.