Home / 864,317,452.99-1,296,682,432.71-282,052,781.86

Finding the Fourth Proportional to 864,317,452.99, 1,296,682,432.71 and 282,052,781.86

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Solution

The fourth proportional to 864,317,452.99, 1,296,682,432.71 and 282,052,781.86 is: 423,146,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,317,452.99 : 1,296,682,432.71 = 282,052,781.86 : x
  2. Step 2: Convert to fraction form
    864,317,452.99/1,296,682,432.71 = 282,052,781.86/x
  3. Step 3: Cross multiply
    864,317,452.99x = 1,296,682,432.71 × 282,052,781.86
  4. Step 4: Simplify right side
    864,317,452.99x = 365,732,887,334,847,808
  5. Step 5: Solve for x
    x = 365,732,887,334,847,808/864,317,452.99
  6. Step 6: Final answer
    x = 423,146,479.42

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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.