Home / 1,112,160,163.20-1,668,240,244.80-294,355,132.80

Finding the Fourth Proportional to 1,112,160,163.20, 1,668,240,244.80 and 294,355,132.80

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Solution

The fourth proportional to 1,112,160,163.20, 1,668,240,244.80 and 294,355,132.80 is: 441,532,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,160,163.20 : 1,668,240,244.80 = 294,355,132.80 : x
  2. Step 2: Convert to fraction form
    1,112,160,163.20/1,668,240,244.80 = 294,355,132.80/x
  3. Step 3: Cross multiply
    1,112,160,163.20x = 1,668,240,244.80 × 294,355,132.80
  4. Step 4: Simplify right side
    1,112,160,163.20x = 491,055,078,800,408,512
  5. Step 5: Solve for x
    x = 491,055,078,800,408,512/1,112,160,163.20
  6. Step 6: Final answer
    x = 441,532,699.20

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Double scale
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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.