Home / 356,022,277.52-533,076,628.08-225,925,520.72

Finding the Fourth Proportional to 356,022,277.52, 533,076,628.08 and 225,925,520.72

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Solution

The fourth proportional to 356,022,277.52, 533,076,628.08 and 225,925,520.72 is: 338,281,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,022,277.52 : 533,076,628.08 = 225,925,520.72 : x
  2. Step 2: Convert to fraction form
    356,022,277.52/533,076,628.08 = 225,925,520.72/x
  3. Step 3: Cross multiply
    356,022,277.52x = 533,076,628.08 × 225,925,520.72
  4. Step 4: Simplify right side
    356,022,277.52x = 120,435,614,782,635,776
  5. Step 5: Solve for x
    x = 120,435,614,782,635,776/356,022,277.52
  6. Step 6: Final answer
    x = 338,281,119.99

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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.