Home / 505,529,763.60-758,294,645.40-448,134,135.60

Finding the Fourth Proportional to 505,529,763.60, 758,294,645.40 and 448,134,135.60

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Solution

The fourth proportional to 505,529,763.60, 758,294,645.40 and 448,134,135.60 is: 672,201,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,529,763.60 : 758,294,645.40 = 448,134,135.60 : x
  2. Step 2: Convert to fraction form
    505,529,763.60/758,294,645.40 = 448,134,135.60/x
  3. Step 3: Cross multiply
    505,529,763.60x = 758,294,645.40 × 448,134,135.60
  4. Step 4: Simplify right side
    505,529,763.60x = 339,817,715,446,437,504
  5. Step 5: Solve for x
    x = 339,817,715,446,437,504/505,529,763.60
  6. Step 6: Final answer
    x = 672,201,203.40

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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.