Home / 605,880,965.90-908,821,448.85-531,054,073.10

Finding the Fourth Proportional to 605,880,965.90, 908,821,448.85 and 531,054,073.10

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Solution

The fourth proportional to 605,880,965.90, 908,821,448.85 and 531,054,073.10 is: 796,581,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,880,965.90 : 908,821,448.85 = 531,054,073.10 : x
  2. Step 2: Convert to fraction form
    605,880,965.90/908,821,448.85 = 531,054,073.10/x
  3. Step 3: Cross multiply
    605,880,965.90x = 908,821,448.85 × 531,054,073.10
  4. Step 4: Simplify right side
    605,880,965.90x = 482,633,332,132,435,840
  5. Step 5: Solve for x
    x = 482,633,332,132,435,840/605,880,965.90
  6. Step 6: Final answer
    x = 796,581,109.65

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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.