Home / 880,590,914.78-1,215,216,244.25-484,120,649.85

Finding the Fourth Proportional to 880,590,914.78, 1,215,216,244.25 and 484,120,649.85

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Solution

The fourth proportional to 880,590,914.78, 1,215,216,244.25 and 484,120,649.85 is: 668,086,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,590,914.78 : 1,215,216,244.25 = 484,120,649.85 : x
  2. Step 2: Convert to fraction form
    880,590,914.78/1,215,216,244.25 = 484,120,649.85/x
  3. Step 3: Cross multiply
    880,590,914.78x = 1,215,216,244.25 × 484,120,649.85
  4. Step 4: Simplify right side
    880,590,914.78x = 588,311,277,876,241,536
  5. Step 5: Solve for x
    x = 588,311,277,876,241,536/880,590,914.78
  6. Step 6: Final answer
    x = 668,086,926.63

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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.