Home / 885,365,351.20-1,328,851,093.20-448,969,621.60

Finding the Fourth Proportional to 885,365,351.20, 1,328,851,093.20 and 448,969,621.60

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Solution

The fourth proportional to 885,365,351.20, 1,328,851,093.20 and 448,969,621.60 is: 673,861,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,365,351.20 : 1,328,851,093.20 = 448,969,621.60 : x
  2. Step 2: Convert to fraction form
    885,365,351.20/1,328,851,093.20 = 448,969,621.60/x
  3. Step 3: Cross multiply
    885,365,351.20x = 1,328,851,093.20 × 448,969,621.60
  4. Step 4: Simplify right side
    885,365,351.20x = 596,613,772,476,750,336
  5. Step 5: Solve for x
    x = 596,613,772,476,750,336/885,365,351.20
  6. Step 6: Final answer
    x = 673,861,668.14

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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.