Home / 505,562,135.40-758,343,203.10-447,111,498.60

Finding the Fourth Proportional to 505,562,135.40, 758,343,203.10 and 447,111,498.60

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Solution

The fourth proportional to 505,562,135.40, 758,343,203.10 and 447,111,498.60 is: 670,667,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,562,135.40 : 758,343,203.10 = 447,111,498.60 : x
  2. Step 2: Convert to fraction form
    505,562,135.40/758,343,203.10 = 447,111,498.60/x
  3. Step 3: Cross multiply
    505,562,135.40x = 758,343,203.10 × 447,111,498.60
  4. Step 4: Simplify right side
    505,562,135.40x = 339,063,965,991,165,184
  5. Step 5: Solve for x
    x = 339,063,965,991,165,184/505,562,135.40
  6. Step 6: Final answer
    x = 670,667,247.90

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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.