Home / 543,035,222.20-814,977,986.10-251,938,414.45

Finding the Fourth Proportional to 543,035,222.20, 814,977,986.10 and 251,938,414.45

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Solution

The fourth proportional to 543,035,222.20, 814,977,986.10 and 251,938,414.45 is: 378,104,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,035,222.20 : 814,977,986.10 = 251,938,414.45 : x
  2. Step 2: Convert to fraction form
    543,035,222.20/814,977,986.10 = 251,938,414.45/x
  3. Step 3: Cross multiply
    543,035,222.20x = 814,977,986.10 × 251,938,414.45
  4. Step 4: Simplify right side
    543,035,222.20x = 205,324,261,629,688,128
  5. Step 5: Solve for x
    x = 205,324,261,629,688,128/543,035,222.20
  6. Step 6: Final answer
    x = 378,104,869.14

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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.