Home / 3,553,777,220.76-4,904,152,265.43-1,967,835,128.22

Finding the Fourth Proportional to 3,553,777,220.76, 4,904,152,265.43 and 1,967,835,128.22

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Solution

The fourth proportional to 3,553,777,220.76, 4,904,152,265.43 and 1,967,835,128.22 is: 2,715,579,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,777,220.76 : 4,904,152,265.43 = 1,967,835,128.22 : x
  2. Step 2: Convert to fraction form
    3,553,777,220.76/4,904,152,265.43 = 1,967,835,128.22/x
  3. Step 3: Cross multiply
    3,553,777,220.76x = 4,904,152,265.43 × 1,967,835,128.22
  4. Step 4: Simplify right side
    3,553,777,220.76x = 9,650,563,102,052,847,616
  5. Step 5: Solve for x
    x = 9,650,563,102,052,847,616/3,553,777,220.76
  6. Step 6: Final answer
    x = 2,715,579,087.42

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Double scale
Find fourth proportional to 3,553,777,221.76, 4,904,152,266.81 and 1,967,835,129.22
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1.5x scale

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.