Home / 506,807,880.12-699,394,874.64-275,020,872.12

Finding the Fourth Proportional to 506,807,880.12, 699,394,874.64 and 275,020,872.12

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Solution

The fourth proportional to 506,807,880.12, 699,394,874.64 and 275,020,872.12 is: 379,528,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,807,880.12 : 699,394,874.64 = 275,020,872.12 : x
  2. Step 2: Convert to fraction form
    506,807,880.12/699,394,874.64 = 275,020,872.12/x
  3. Step 3: Cross multiply
    506,807,880.12x = 699,394,874.64 × 275,020,872.12
  4. Step 4: Simplify right side
    506,807,880.12x = 192,348,188,379,750,880
  5. Step 5: Solve for x
    x = 192,348,188,379,750,880/506,807,880.12
  6. Step 6: Final answer
    x = 379,528,803.57

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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.