Home / 533,542,465.13-736,288,601.87-289,355,329.13

Finding the Fourth Proportional to 533,542,465.13, 736,288,601.87 and 289,355,329.13

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Solution

The fourth proportional to 533,542,465.13, 736,288,601.87 and 289,355,329.13 is: 399,310,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,465.13 : 736,288,601.87 = 289,355,329.13 : x
  2. Step 2: Convert to fraction form
    533,542,465.13/736,288,601.87 = 289,355,329.13/x
  3. Step 3: Cross multiply
    533,542,465.13x = 736,288,601.87 × 289,355,329.13
  4. Step 4: Simplify right side
    533,542,465.13x = 213,049,030,725,803,328
  5. Step 5: Solve for x
    x = 213,049,030,725,803,328/533,542,465.13
  6. Step 6: Final answer
    x = 399,310,354.19

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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.