Home / 939,904,939.04-1,297,103,820.92-563,622,789.04

Finding the Fourth Proportional to 939,904,939.04, 1,297,103,820.92 and 563,622,789.04

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Solution

The fourth proportional to 939,904,939.04, 1,297,103,820.92 and 563,622,789.04 is: 777,820,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,904,939.04 : 1,297,103,820.92 = 563,622,789.04 : x
  2. Step 2: Convert to fraction form
    939,904,939.04/1,297,103,820.92 = 563,622,789.04/x
  3. Step 3: Cross multiply
    939,904,939.04x = 1,297,103,820.92 × 563,622,789.04
  4. Step 4: Simplify right side
    939,904,939.04x = 731,077,273,221,371,136
  5. Step 5: Solve for x
    x = 731,077,273,221,371,136/939,904,939.04
  6. Step 6: Final answer
    x = 777,820,439.98

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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.