Home / 280,960,576.20-421,440,864.30-276,655,904.10

Finding the Fourth Proportional to 280,960,576.20, 421,440,864.30 and 276,655,904.10

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Solution

The fourth proportional to 280,960,576.20, 421,440,864.30 and 276,655,904.10 is: 414,983,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,960,576.20 : 421,440,864.30 = 276,655,904.10 : x
  2. Step 2: Convert to fraction form
    280,960,576.20/421,440,864.30 = 276,655,904.10/x
  3. Step 3: Cross multiply
    280,960,576.20x = 421,440,864.30 × 276,655,904.10
  4. Step 4: Simplify right side
    280,960,576.20x = 116,594,103,337,601,920
  5. Step 5: Solve for x
    x = 116,594,103,337,601,920/280,960,576.20
  6. Step 6: Final answer
    x = 414,983,856.15

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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.