Home / 505,562,134.40-758,343,201.60-447,111,497.60

Finding the Fourth Proportional to 505,562,134.40, 758,343,201.60 and 447,111,497.60

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Solution

The fourth proportional to 505,562,134.40, 758,343,201.60 and 447,111,497.60 is: 670,667,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,562,134.40 : 758,343,201.60 = 447,111,497.60 : x
  2. Step 2: Convert to fraction form
    505,562,134.40/758,343,201.60 = 447,111,497.60/x
  3. Step 3: Cross multiply
    505,562,134.40x = 758,343,201.60 × 447,111,497.60
  4. Step 4: Simplify right side
    505,562,134.40x = 339,063,964,562,154,752
  5. Step 5: Solve for x
    x = 339,063,964,562,154,752/505,562,134.40
  6. Step 6: Final answer
    x = 670,667,246.40

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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.