Home / 1,399,440,205,123.50-2,099,160,307,685.10-393,284,981,409.89

Finding the Fourth Proportional to 1,399,440,205,123.50, 2,099,160,307,685.10 and 393,284,981,409.89

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Solution

The fourth proportional to 1,399,440,205,123.50, 2,099,160,307,685.10 and 393,284,981,409.89 is: 589,927,472,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,440,205,123.50 : 2,099,160,307,685.10 = 393,284,981,409.89 : x
  2. Step 2: Convert to fraction form
    1,399,440,205,123.50/2,099,160,307,685.10 = 393,284,981,409.89/x
  3. Step 3: Cross multiply
    1,399,440,205,123.50x = 2,099,160,307,685.10 × 393,284,981,409.89
  4. Step 4: Simplify right side
    1,399,440,205,123.50x = 825,568,222,584,313,596,608,512
  5. Step 5: Solve for x
    x = 825,568,222,584,313,596,608,512/1,399,440,205,123.50
  6. Step 6: Final answer
    x = 589,927,472,114.79

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Double scale
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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.