Home / 792,556,736.40-1,188,835,104.60-425,224,717.20

Finding the Fourth Proportional to 792,556,736.40, 1,188,835,104.60 and 425,224,717.20

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Solution

The fourth proportional to 792,556,736.40, 1,188,835,104.60 and 425,224,717.20 is: 637,837,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,556,736.40 : 1,188,835,104.60 = 425,224,717.20 : x
  2. Step 2: Convert to fraction form
    792,556,736.40/1,188,835,104.60 = 425,224,717.20/x
  3. Step 3: Cross multiply
    792,556,736.40x = 1,188,835,104.60 × 425,224,717.20
  4. Step 4: Simplify right side
    792,556,736.40x = 505,522,071,150,967,360
  5. Step 5: Solve for x
    x = 505,522,071,150,967,360/792,556,736.40
  6. Step 6: Final answer
    x = 637,837,075.80

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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.