Home / 533,542,472.13-736,288,611.54-289,355,336.13

Finding the Fourth Proportional to 533,542,472.13, 736,288,611.54 and 289,355,336.13

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Solution

The fourth proportional to 533,542,472.13, 736,288,611.54 and 289,355,336.13 is: 399,310,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,472.13 : 736,288,611.54 = 289,355,336.13 : x
  2. Step 2: Convert to fraction form
    533,542,472.13/736,288,611.54 = 289,355,336.13/x
  3. Step 3: Cross multiply
    533,542,472.13x = 736,288,611.54 × 289,355,336.13
  4. Step 4: Simplify right side
    533,542,472.13x = 213,049,038,680,847,680
  5. Step 5: Solve for x
    x = 213,049,038,680,847,680/533,542,472.13
  6. Step 6: Final answer
    x = 399,310,363.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.