Home / 629,530,728.70-944,296,093.05-220,533,735.10

Finding the Fourth Proportional to 629,530,728.70, 944,296,093.05 and 220,533,735.10

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Solution

The fourth proportional to 629,530,728.70, 944,296,093.05 and 220,533,735.10 is: 330,800,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,530,728.70 : 944,296,093.05 = 220,533,735.10 : x
  2. Step 2: Convert to fraction form
    629,530,728.70/944,296,093.05 = 220,533,735.10/x
  3. Step 3: Cross multiply
    629,530,728.70x = 944,296,093.05 × 220,533,735.10
  4. Step 4: Simplify right side
    629,530,728.70x = 208,249,144,440,653,632
  5. Step 5: Solve for x
    x = 208,249,144,440,653,632/629,530,728.70
  6. Step 6: Final answer
    x = 330,800,602.65

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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.