Home / 524,592,143.20-787,392,099.60-266,099,240.80

Finding the Fourth Proportional to 524,592,143.20, 787,392,099.60 and 266,099,240.80

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Solution

The fourth proportional to 524,592,143.20, 787,392,099.60 and 266,099,240.80 is: 399,404,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,592,143.20 : 787,392,099.60 = 266,099,240.80 : x
  2. Step 2: Convert to fraction form
    524,592,143.20/787,392,099.60 = 266,099,240.80/x
  3. Step 3: Cross multiply
    524,592,143.20x = 787,392,099.60 × 266,099,240.80
  4. Step 4: Simplify right side
    524,592,143.20x = 209,524,439,915,477,984
  5. Step 5: Solve for x
    x = 209,524,439,915,477,984/524,592,143.20
  6. Step 6: Final answer
    x = 399,404,456.65

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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.