Home / 788,972,535.20-1,183,458,802.80-329,240,640.80

Finding the Fourth Proportional to 788,972,535.20, 1,183,458,802.80 and 329,240,640.80

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Solution

The fourth proportional to 788,972,535.20, 1,183,458,802.80 and 329,240,640.80 is: 493,860,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,972,535.20 : 1,183,458,802.80 = 329,240,640.80 : x
  2. Step 2: Convert to fraction form
    788,972,535.20/1,183,458,802.80 = 329,240,640.80/x
  3. Step 3: Cross multiply
    788,972,535.20x = 1,183,458,802.80 × 329,240,640.80
  4. Step 4: Simplify right side
    788,972,535.20x = 389,642,734,594,272,832
  5. Step 5: Solve for x
    x = 389,642,734,594,272,832/788,972,535.20
  6. Step 6: Final answer
    x = 493,860,961.20

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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.