Home / 280,908,052.20-421,362,078.30-229,847,725.80

Finding the Fourth Proportional to 280,908,052.20, 421,362,078.30 and 229,847,725.80

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Solution

The fourth proportional to 280,908,052.20, 421,362,078.30 and 229,847,725.80 is: 344,771,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,052.20 : 421,362,078.30 = 229,847,725.80 : x
  2. Step 2: Convert to fraction form
    280,908,052.20/421,362,078.30 = 229,847,725.80/x
  3. Step 3: Cross multiply
    280,908,052.20x = 421,362,078.30 × 229,847,725.80
  4. Step 4: Simplify right side
    280,908,052.20x = 96,849,115,435,616,544
  5. Step 5: Solve for x
    x = 96,849,115,435,616,544/280,908,052.20
  6. Step 6: Final answer
    x = 344,771,588.70

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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.