Home / 747,104,748.78-1,030,993,791.03-412,591,425.42

Finding the Fourth Proportional to 747,104,748.78, 1,030,993,791.03 and 412,591,425.42

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Solution

The fourth proportional to 747,104,748.78, 1,030,993,791.03 and 412,591,425.42 is: 569,370,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,104,748.78 : 1,030,993,791.03 = 412,591,425.42 : x
  2. Step 2: Convert to fraction form
    747,104,748.78/1,030,993,791.03 = 412,591,425.42/x
  3. Step 3: Cross multiply
    747,104,748.78x = 1,030,993,791.03 × 412,591,425.42
  4. Step 4: Simplify right side
    747,104,748.78x = 425,379,197,840,237,312
  5. Step 5: Solve for x
    x = 425,379,197,840,237,312/747,104,748.78
  6. Step 6: Final answer
    x = 569,370,223.57

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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.