Home / 15,451,131,334.80-21,323,076,273.72-8,678,143,466.22

Finding the Fourth Proportional to 15,451,131,334.80, 21,323,076,273.72 and 8,678,143,466.22

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Solution

The fourth proportional to 15,451,131,334.80, 21,323,076,273.72 and 8,678,143,466.22 is: 11,976,127,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,131,334.80 : 21,323,076,273.72 = 8,678,143,466.22 : x
  2. Step 2: Convert to fraction form
    15,451,131,334.80/21,323,076,273.72 = 8,678,143,466.22/x
  3. Step 3: Cross multiply
    15,451,131,334.80x = 21,323,076,273.72 × 8,678,143,466.22
  4. Step 4: Simplify right side
    15,451,131,334.80x = 185,044,715,044,493,918,208
  5. Step 5: Solve for x
    x = 185,044,715,044,493,918,208/15,451,131,334.80
  6. Step 6: Final answer
    x = 11,976,127,251.45

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Double scale
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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.