Home / 939,904,943.88-1,297,103,827.59-563,622,793.92

Finding the Fourth Proportional to 939,904,943.88, 1,297,103,827.59 and 563,622,793.92

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Solution

The fourth proportional to 939,904,943.88, 1,297,103,827.59 and 563,622,793.92 is: 777,820,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,904,943.88 : 1,297,103,827.59 = 563,622,793.92 : x
  2. Step 2: Convert to fraction form
    939,904,943.88/1,297,103,827.59 = 563,622,793.92/x
  3. Step 3: Cross multiply
    939,904,943.88x = 1,297,103,827.59 × 563,622,793.92
  4. Step 4: Simplify right side
    939,904,943.88x = 731,077,283,310,601,728
  5. Step 5: Solve for x
    x = 731,077,283,310,601,728/939,904,943.88
  6. Step 6: Final answer
    x = 777,820,446.71

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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.