Home / 455,293,945.48-682,894,956.84-308,682,867.24

Finding the Fourth Proportional to 455,293,945.48, 682,894,956.84 and 308,682,867.24

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Solution

The fourth proportional to 455,293,945.48, 682,894,956.84 and 308,682,867.24 is: 462,993,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,293,945.48 : 682,894,956.84 = 308,682,867.24 : x
  2. Step 2: Convert to fraction form
    455,293,945.48/682,894,956.84 = 308,682,867.24/x
  3. Step 3: Cross multiply
    455,293,945.48x = 682,894,956.84 × 308,682,867.24
  4. Step 4: Simplify right side
    455,293,945.48x = 210,797,973,301,107,264
  5. Step 5: Solve for x
    x = 210,797,973,301,107,264/455,293,945.48
  6. Step 6: Final answer
    x = 462,993,139.69

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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.