Home / 584,507,586.53-806,620,620.92-320,198,975.76

Finding the Fourth Proportional to 584,507,586.53, 806,620,620.92 and 320,198,975.76

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Solution

The fourth proportional to 584,507,586.53, 806,620,620.92 and 320,198,975.76 is: 441,874,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,507,586.53 : 806,620,620.92 = 320,198,975.76 : x
  2. Step 2: Convert to fraction form
    584,507,586.53/806,620,620.92 = 320,198,975.76/x
  3. Step 3: Cross multiply
    584,507,586.53x = 806,620,620.92 × 320,198,975.76
  4. Step 4: Simplify right side
    584,507,586.53x = 258,279,096,643,878,208
  5. Step 5: Solve for x
    x = 258,279,096,643,878,208/584,507,586.53
  6. Step 6: Final answer
    x = 441,874,669.55

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1.5x scale

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.