Home / 336,707,074.20-505,060,611.30-221,821,339.80

Finding the Fourth Proportional to 336,707,074.20, 505,060,611.30 and 221,821,339.80

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Solution

The fourth proportional to 336,707,074.20, 505,060,611.30 and 221,821,339.80 is: 332,732,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,707,074.20 : 505,060,611.30 = 221,821,339.80 : x
  2. Step 2: Convert to fraction form
    336,707,074.20/505,060,611.30 = 221,821,339.80/x
  3. Step 3: Cross multiply
    336,707,074.20x = 505,060,611.30 × 221,821,339.80
  4. Step 4: Simplify right side
    336,707,074.20x = 112,033,221,478,773,024
  5. Step 5: Solve for x
    x = 112,033,221,478,773,024/336,707,074.20
  6. Step 6: Final answer
    x = 332,732,009.70

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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.