Home / 337,537,247.40-505,509,608.70-208,542,738.60

Finding the Fourth Proportional to 337,537,247.40, 505,509,608.70 and 208,542,738.60

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Solution

The fourth proportional to 337,537,247.40, 505,509,608.70 and 208,542,738.60 is: 312,322,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,537,247.40 : 505,509,608.70 = 208,542,738.60 : x
  2. Step 2: Convert to fraction form
    337,537,247.40/505,509,608.70 = 208,542,738.60/x
  3. Step 3: Cross multiply
    337,537,247.40x = 505,509,608.70 × 208,542,738.60
  4. Step 4: Simplify right side
    337,537,247.40x = 105,420,358,186,912,384
  5. Step 5: Solve for x
    x = 105,420,358,186,912,384/337,537,247.40
  6. Step 6: Final answer
    x = 312,322,148.14

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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.