Home / 864,317,449.62-1,296,682,427.62-282,052,778.48

Finding the Fourth Proportional to 864,317,449.62, 1,296,682,427.62 and 282,052,778.48

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Solution

The fourth proportional to 864,317,449.62, 1,296,682,427.62 and 282,052,778.48 is: 423,146,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,317,449.62 : 1,296,682,427.62 = 282,052,778.48 : x
  2. Step 2: Convert to fraction form
    864,317,449.62/1,296,682,427.62 = 282,052,778.48/x
  3. Step 3: Cross multiply
    864,317,449.62x = 1,296,682,427.62 × 282,052,778.48
  4. Step 4: Simplify right side
    864,317,449.62x = 365,732,881,516,412,480
  5. Step 5: Solve for x
    x = 365,732,881,516,412,480/864,317,449.62
  6. Step 6: Final answer
    x = 423,146,474.34

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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.