Home / 276,819,689.30-414,671,520.90-172,869,829.70

Finding the Fourth Proportional to 276,819,689.30, 414,671,520.90 and 172,869,829.70

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Solution

The fourth proportional to 276,819,689.30, 414,671,520.90 and 172,869,829.70 is: 258,956,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,819,689.30 : 414,671,520.90 = 172,869,829.70 : x
  2. Step 2: Convert to fraction form
    276,819,689.30/414,671,520.90 = 172,869,829.70/x
  3. Step 3: Cross multiply
    276,819,689.30x = 414,671,520.90 × 172,869,829.70
  4. Step 4: Simplify right side
    276,819,689.30x = 71,684,195,199,422,984
  5. Step 5: Solve for x
    x = 71,684,195,199,422,984/276,819,689.30
  6. Step 6: Final answer
    x = 258,956,273.60

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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.