Home / 330,803,731.20-496,205,596.80-221,964,614.40

Finding the Fourth Proportional to 330,803,731.20, 496,205,596.80 and 221,964,614.40

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Solution

The fourth proportional to 330,803,731.20, 496,205,596.80 and 221,964,614.40 is: 332,946,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,803,731.20 : 496,205,596.80 = 221,964,614.40 : x
  2. Step 2: Convert to fraction form
    330,803,731.20/496,205,596.80 = 221,964,614.40/x
  3. Step 3: Cross multiply
    330,803,731.20x = 496,205,596.80 × 221,964,614.40
  4. Step 4: Simplify right side
    330,803,731.20x = 110,140,083,956,833,872
  5. Step 5: Solve for x
    x = 110,140,083,956,833,872/330,803,731.20
  6. Step 6: Final answer
    x = 332,946,921.60

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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.