Home / 605,880,965.40-908,821,448.10-531,054,072.60

Finding the Fourth Proportional to 605,880,965.40, 908,821,448.10 and 531,054,072.60

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Solution

The fourth proportional to 605,880,965.40, 908,821,448.10 and 531,054,072.60 is: 796,581,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,880,965.40 : 908,821,448.10 = 531,054,072.60 : x
  2. Step 2: Convert to fraction form
    605,880,965.40/908,821,448.10 = 531,054,072.60/x
  3. Step 3: Cross multiply
    605,880,965.40x = 908,821,448.10 × 531,054,072.60
  4. Step 4: Simplify right side
    605,880,965.40x = 482,633,331,279,734,592
  5. Step 5: Solve for x
    x = 482,633,331,279,734,592/605,880,965.40
  6. Step 6: Final answer
    x = 796,581,108.90

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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.