Home / 505,764,140.10-758,268,296.55-275,992,671.30

Finding the Fourth Proportional to 505,764,140.10, 758,268,296.55 and 275,992,671.30

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Solution

The fourth proportional to 505,764,140.10, 758,268,296.55 and 275,992,671.30 is: 413,782,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,764,140.10 : 758,268,296.55 = 275,992,671.30 : x
  2. Step 2: Convert to fraction form
    505,764,140.10/758,268,296.55 = 275,992,671.30/x
  3. Step 3: Cross multiply
    505,764,140.10x = 758,268,296.55 × 275,992,671.30
  4. Step 4: Simplify right side
    505,764,140.10x = 209,276,492,726,935,072
  5. Step 5: Solve for x
    x = 209,276,492,726,935,072/505,764,140.10
  6. Step 6: Final answer
    x = 413,782,781.61

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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.