Home / 1,199,328,640,624.80-1,798,929,601,468.50-393,389,419,972.80

Finding the Fourth Proportional to 1,199,328,640,624.80, 1,798,929,601,468.50 and 393,389,419,972.80

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Solution

The fourth proportional to 1,199,328,640,624.80, 1,798,929,601,468.50 and 393,389,419,972.80 is: 590,063,347,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,328,640,624.80 : 1,798,929,601,468.50 = 393,389,419,972.80 : x
  2. Step 2: Convert to fraction form
    1,199,328,640,624.80/1,798,929,601,468.50 = 393,389,419,972.80/x
  3. Step 3: Cross multiply
    1,199,328,640,624.80x = 1,798,929,601,468.50 × 393,389,419,972.80
  4. Step 4: Simplify right side
    1,199,328,640,624.80x = 707,679,872,493,593,441,599,488
  5. Step 5: Solve for x
    x = 707,679,872,493,593,441,599,488/1,199,328,640,624.80
  6. Step 6: Final answer
    x = 590,063,347,544.94

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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.