Home / 339,943,367.70-509,915,051.55-311,599,847.70

Finding the Fourth Proportional to 339,943,367.70, 509,915,051.55 and 311,599,847.70

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Solution

The fourth proportional to 339,943,367.70, 509,915,051.55 and 311,599,847.70 is: 467,399,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,943,367.70 : 509,915,051.55 = 311,599,847.70 : x
  2. Step 2: Convert to fraction form
    339,943,367.70/509,915,051.55 = 311,599,847.70/x
  3. Step 3: Cross multiply
    339,943,367.70x = 509,915,051.55 × 311,599,847.70
  4. Step 4: Simplify right side
    339,943,367.70x = 158,889,452,402,917,632
  5. Step 5: Solve for x
    x = 158,889,452,402,917,632/339,943,367.70
  6. Step 6: Final answer
    x = 467,399,771.55

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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.