Home / 289,940,858.58-400,118,450.16-159,560,666.58

Finding the Fourth Proportional to 289,940,858.58, 400,118,450.16 and 159,560,666.58

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Solution

The fourth proportional to 289,940,858.58, 400,118,450.16 and 159,560,666.58 is: 220,193,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,858.58 : 400,118,450.16 = 159,560,666.58 : x
  2. Step 2: Convert to fraction form
    289,940,858.58/400,118,450.16 = 159,560,666.58/x
  3. Step 3: Cross multiply
    289,940,858.58x = 400,118,450.16 × 159,560,666.58
  4. Step 4: Simplify right side
    289,940,858.58x = 63,843,166,618,486,120
  5. Step 5: Solve for x
    x = 63,843,166,618,486,120/289,940,858.58
  6. Step 6: Final answer
    x = 220,193,755.83

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1.5x scale

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.