Home / 412,018,575,372.60-618,098,272,910.58-169,863,311,146.85

Finding the Fourth Proportional to 412,018,575,372.60, 618,098,272,910.58 and 169,863,311,146.85

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Solution

The fourth proportional to 412,018,575,372.60, 618,098,272,910.58 and 169,863,311,146.85 is: 254,823,994,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,018,575,372.60 : 618,098,272,910.58 = 169,863,311,146.85 : x
  2. Step 2: Convert to fraction form
    412,018,575,372.60/618,098,272,910.58 = 169,863,311,146.85/x
  3. Step 3: Cross multiply
    412,018,575,372.60x = 618,098,272,910.58 × 169,863,311,146.85
  4. Step 4: Simplify right side
    412,018,575,372.60x = 104,992,219,250,740,453,965,824
  5. Step 5: Solve for x
    x = 104,992,219,250,740,453,965,824/412,018,575,372.60
  6. Step 6: Final answer
    x = 254,823,994,660.42

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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.