Home / 524,594,491.20-787,395,621.60-266,101,588.80

Finding the Fourth Proportional to 524,594,491.20, 787,395,621.60 and 266,101,588.80

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Solution

The fourth proportional to 524,594,491.20, 787,395,621.60 and 266,101,588.80 is: 399,407,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,594,491.20 : 787,395,621.60 = 266,101,588.80 : x
  2. Step 2: Convert to fraction form
    524,594,491.20/787,395,621.60 = 266,101,588.80/x
  3. Step 3: Cross multiply
    524,594,491.20x = 787,395,621.60 × 266,101,588.80
  4. Step 4: Simplify right side
    524,594,491.20x = 209,527,225,921,923,616
  5. Step 5: Solve for x
    x = 209,527,225,921,923,616/524,594,491.20
  6. Step 6: Final answer
    x = 399,407,979.76

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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.