Home / 1,215,647,112-1,823,023,984.80-417,737,968.80

Finding the Fourth Proportional to 1,215,647,112, 1,823,023,984.80 and 417,737,968.80

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Solution

The fourth proportional to 1,215,647,112, 1,823,023,984.80 and 417,737,968.80 is: 626,453,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,647,112 : 1,823,023,984.80 = 417,737,968.80 : x
  2. Step 2: Convert to fraction form
    1,215,647,112/1,823,023,984.80 = 417,737,968.80/x
  3. Step 3: Cross multiply
    1,215,647,112x = 1,823,023,984.80 × 417,737,968.80
  4. Step 4: Simplify right side
    1,215,647,112x = 761,546,336,484,034,048
  5. Step 5: Solve for x
    x = 761,546,336,484,034,048/1,215,647,112
  6. Step 6: Final answer
    x = 626,453,457.56

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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.