Home / 688,856,863.84-1,033,769,491.60-622,995,380.32

Finding the Fourth Proportional to 688,856,863.84, 1,033,769,491.60 and 622,995,380.32

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Solution

The fourth proportional to 688,856,863.84, 1,033,769,491.60 and 622,995,380.32 is: 934,930,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,856,863.84 : 1,033,769,491.60 = 622,995,380.32 : x
  2. Step 2: Convert to fraction form
    688,856,863.84/1,033,769,491.60 = 622,995,380.32/x
  3. Step 3: Cross multiply
    688,856,863.84x = 1,033,769,491.60 × 622,995,380.32
  4. Step 4: Simplify right side
    688,856,863.84x = 644,033,617,582,555,136
  5. Step 5: Solve for x
    x = 644,033,617,582,555,136/688,856,863.84
  6. Step 6: Final answer
    x = 934,930,972.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.