Home / 668,139,905,725.30-922,033,018,768.85-363,647,744,932.78

Finding the Fourth Proportional to 668,139,905,725.30, 922,033,018,768.85 and 363,647,744,932.78

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Solution

The fourth proportional to 668,139,905,725.30, 922,033,018,768.85 and 363,647,744,932.78 is: 501,833,860,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,139,905,725.30 : 922,033,018,768.85 = 363,647,744,932.78 : x
  2. Step 2: Convert to fraction form
    668,139,905,725.30/922,033,018,768.85 = 363,647,744,932.78/x
  3. Step 3: Cross multiply
    668,139,905,725.30x = 922,033,018,768.85 × 363,647,744,932.78
  4. Step 4: Simplify right side
    668,139,905,725.30x = 335,295,228,028,855,932,420,096
  5. Step 5: Solve for x
    x = 335,295,228,028,855,932,420,096/668,139,905,725.30
  6. Step 6: Final answer
    x = 501,833,860,177.65

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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.