Home / 758,004,936.21-1,136,835,515.57-343,207,928.57

Finding the Fourth Proportional to 758,004,936.21, 1,136,835,515.57 and 343,207,928.57

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Solution

The fourth proportional to 758,004,936.21, 1,136,835,515.57 and 343,207,928.57 is: 514,734,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,004,936.21 : 1,136,835,515.57 = 343,207,928.57 : x
  2. Step 2: Convert to fraction form
    758,004,936.21/1,136,835,515.57 = 343,207,928.57/x
  3. Step 3: Cross multiply
    758,004,936.21x = 1,136,835,515.57 × 343,207,928.57
  4. Step 4: Simplify right side
    758,004,936.21x = 390,170,962,416,187,456
  5. Step 5: Solve for x
    x = 390,170,962,416,187,456/758,004,936.21
  6. Step 6: Final answer
    x = 514,734,065.41

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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.