Home / 519,481,269.65-780,465,015.53-333,100,374.86

Finding the Fourth Proportional to 519,481,269.65, 780,465,015.53 and 333,100,374.86

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Solution

The fourth proportional to 519,481,269.65, 780,465,015.53 and 333,100,374.86 is: 500,447,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,481,269.65 : 780,465,015.53 = 333,100,374.86 : x
  2. Step 2: Convert to fraction form
    519,481,269.65/780,465,015.53 = 333,100,374.86/x
  3. Step 3: Cross multiply
    519,481,269.65x = 780,465,015.53 × 333,100,374.86
  4. Step 4: Simplify right side
    519,481,269.65x = 259,973,189,238,158,720
  5. Step 5: Solve for x
    x = 259,973,189,238,158,720/519,481,269.65
  6. Step 6: Final answer
    x = 500,447,666.60

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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.