Home / 726,084,109.20-1,089,126,163.80-234,796,429.20

Finding the Fourth Proportional to 726,084,109.20, 1,089,126,163.80 and 234,796,429.20

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Solution

The fourth proportional to 726,084,109.20, 1,089,126,163.80 and 234,796,429.20 is: 352,194,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,084,109.20 : 1,089,126,163.80 = 234,796,429.20 : x
  2. Step 2: Convert to fraction form
    726,084,109.20/1,089,126,163.80 = 234,796,429.20/x
  3. Step 3: Cross multiply
    726,084,109.20x = 1,089,126,163.80 × 234,796,429.20
  4. Step 4: Simplify right side
    726,084,109.20x = 255,722,934,208,534,272
  5. Step 5: Solve for x
    x = 255,722,934,208,534,272/726,084,109.20
  6. Step 6: Final answer
    x = 352,194,643.80

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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.