Home / 1,131,150,467.15-1,696,789,430.57-344,229,712.19

Finding the Fourth Proportional to 1,131,150,467.15, 1,696,789,430.57 and 344,229,712.19

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Solution

The fourth proportional to 1,131,150,467.15, 1,696,789,430.57 and 344,229,712.19 is: 516,363,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,150,467.15 : 1,696,789,430.57 = 344,229,712.19 : x
  2. Step 2: Convert to fraction form
    1,131,150,467.15/1,696,789,430.57 = 344,229,712.19/x
  3. Step 3: Cross multiply
    1,131,150,467.15x = 1,696,789,430.57 × 344,229,712.19
  4. Step 4: Simplify right side
    1,131,150,467.15x = 584,085,337,321,939,968
  5. Step 5: Solve for x
    x = 584,085,337,321,939,968/1,131,150,467.15
  6. Step 6: Final answer
    x = 516,363,962.43

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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.