Home / 664,288,169.55-996,432,254.33-480,622,159.95

Finding the Fourth Proportional to 664,288,169.55, 996,432,254.33 and 480,622,159.95

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Solution

The fourth proportional to 664,288,169.55, 996,432,254.33 and 480,622,159.95 is: 720,933,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,288,169.55 : 996,432,254.33 = 480,622,159.95 : x
  2. Step 2: Convert to fraction form
    664,288,169.55/996,432,254.33 = 480,622,159.95/x
  3. Step 3: Cross multiply
    664,288,169.55x = 996,432,254.33 × 480,622,159.95
  4. Step 4: Simplify right side
    664,288,169.55x = 478,907,422,317,529,216
  5. Step 5: Solve for x
    x = 478,907,422,317,529,216/664,288,169.55
  6. Step 6: Final answer
    x = 720,933,239.93

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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.