Home / 2,193,130,499.26-3,289,372,160.20-640,004,805.58

Finding the Fourth Proportional to 2,193,130,499.26, 3,289,372,160.20 and 640,004,805.58

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Solution

The fourth proportional to 2,193,130,499.26, 3,289,372,160.20 and 640,004,805.58 is: 959,912,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,130,499.26 : 3,289,372,160.20 = 640,004,805.58 : x
  2. Step 2: Convert to fraction form
    2,193,130,499.26/3,289,372,160.20 = 640,004,805.58/x
  3. Step 3: Cross multiply
    2,193,130,499.26x = 3,289,372,160.20 × 640,004,805.58
  4. Step 4: Simplify right side
    2,193,130,499.26x = 2,105,213,989,869,065,728
  5. Step 5: Solve for x
    x = 2,105,213,989,869,065,728/2,193,130,499.26
  6. Step 6: Final answer
    x = 959,912,777.91

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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.