Home / 280,908,031.20-421,362,046.80-229,847,704.80

Finding the Fourth Proportional to 280,908,031.20, 421,362,046.80 and 229,847,704.80

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Solution

The fourth proportional to 280,908,031.20, 421,362,046.80 and 229,847,704.80 is: 344,771,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,031.20 : 421,362,046.80 = 229,847,704.80 : x
  2. Step 2: Convert to fraction form
    280,908,031.20/421,362,046.80 = 229,847,704.80/x
  3. Step 3: Cross multiply
    280,908,031.20x = 421,362,046.80 × 229,847,704.80
  4. Step 4: Simplify right side
    280,908,031.20x = 96,849,099,346,810,192
  5. Step 5: Solve for x
    x = 96,849,099,346,810,192/280,908,031.20
  6. Step 6: Final answer
    x = 344,771,557.20

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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.