Home / 340,707,648.20-510,389,625.90-203,986,905.80

Finding the Fourth Proportional to 340,707,648.20, 510,389,625.90 and 203,986,905.80

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Solution

The fourth proportional to 340,707,648.20, 510,389,625.90 and 203,986,905.80 is: 305,578,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,707,648.20 : 510,389,625.90 = 203,986,905.80 : x
  2. Step 2: Convert to fraction form
    340,707,648.20/510,389,625.90 = 203,986,905.80/x
  3. Step 3: Cross multiply
    340,707,648.20x = 510,389,625.90 × 203,986,905.80
  4. Step 4: Simplify right side
    340,707,648.20x = 104,112,800,539,760,544
  5. Step 5: Solve for x
    x = 104,112,800,539,760,544/340,707,648.20
  6. Step 6: Final answer
    x = 305,578,113.93

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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.