Home / 503,576,190.10-694,918,845.12-289,030,148.56

Finding the Fourth Proportional to 503,576,190.10, 694,918,845.12 and 289,030,148.56

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Solution

The fourth proportional to 503,576,190.10, 694,918,845.12 and 289,030,148.56 is: 398,852,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,576,190.10 : 694,918,845.12 = 289,030,148.56 : x
  2. Step 2: Convert to fraction form
    503,576,190.10/694,918,845.12 = 289,030,148.56/x
  3. Step 3: Cross multiply
    503,576,190.10x = 694,918,845.12 × 289,030,148.56
  4. Step 4: Simplify right side
    503,576,190.10x = 200,852,497,042,177,248
  5. Step 5: Solve for x
    x = 200,852,497,042,177,248/503,576,190.10
  6. Step 6: Final answer
    x = 398,852,251.14

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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.