Home / 629,861,855.40-944,792,783.10-193,229,929.80

Finding the Fourth Proportional to 629,861,855.40, 944,792,783.10 and 193,229,929.80

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Solution

The fourth proportional to 629,861,855.40, 944,792,783.10 and 193,229,929.80 is: 289,844,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,855.40 : 944,792,783.10 = 193,229,929.80 : x
  2. Step 2: Convert to fraction form
    629,861,855.40/944,792,783.10 = 193,229,929.80/x
  3. Step 3: Cross multiply
    629,861,855.40x = 944,792,783.10 × 193,229,929.80
  4. Step 4: Simplify right side
    629,861,855.40x = 182,562,243,153,959,648
  5. Step 5: Solve for x
    x = 182,562,243,153,959,648/629,861,855.40
  6. Step 6: Final answer
    x = 289,844,894.70

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Double scale
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Similar ratio
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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.