Home / 827,280,491.76-1,240,597,880.28-361,084,503.60

Finding the Fourth Proportional to 827,280,491.76, 1,240,597,880.28 and 361,084,503.60

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Solution

The fourth proportional to 827,280,491.76, 1,240,597,880.28 and 361,084,503.60 is: 541,485,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,280,491.76 : 1,240,597,880.28 = 361,084,503.60 : x
  2. Step 2: Convert to fraction form
    827,280,491.76/1,240,597,880.28 = 361,084,503.60/x
  3. Step 3: Cross multiply
    827,280,491.76x = 1,240,597,880.28 × 361,084,503.60
  4. Step 4: Simplify right side
    827,280,491.76x = 447,960,669,768,116,032
  5. Step 5: Solve for x
    x = 447,960,669,768,116,032/827,280,491.76
  6. Step 6: Final answer
    x = 541,485,837.31

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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.