Home / 1,325,766,407.52-1,988,803,469.81-440,530,768.31

Finding the Fourth Proportional to 1,325,766,407.52, 1,988,803,469.81 and 440,530,768.31

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Solution

The fourth proportional to 1,325,766,407.52, 1,988,803,469.81 and 440,530,768.31 is: 660,847,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,766,407.52 : 1,988,803,469.81 = 440,530,768.31 : x
  2. Step 2: Convert to fraction form
    1,325,766,407.52/1,988,803,469.81 = 440,530,768.31/x
  3. Step 3: Cross multiply
    1,325,766,407.52x = 1,988,803,469.81 × 440,530,768.31
  4. Step 4: Simplify right side
    1,325,766,407.52x = 876,129,120,560,846,592
  5. Step 5: Solve for x
    x = 876,129,120,560,846,592/1,325,766,407.52
  6. Step 6: Final answer
    x = 660,847,277.16

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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.