Home / 533,542,471.63-736,288,610.85-289,355,335.63

Finding the Fourth Proportional to 533,542,471.63, 736,288,610.85 and 289,355,335.63

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Solution

The fourth proportional to 533,542,471.63, 736,288,610.85 and 289,355,335.63 is: 399,310,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,471.63 : 736,288,610.85 = 289,355,335.63 : x
  2. Step 2: Convert to fraction form
    533,542,471.63/736,288,610.85 = 289,355,335.63/x
  3. Step 3: Cross multiply
    533,542,471.63x = 736,288,610.85 × 289,355,335.63
  4. Step 4: Simplify right side
    533,542,471.63x = 213,049,038,113,048,224
  5. Step 5: Solve for x
    x = 213,049,038,113,048,224/533,542,471.63
  6. Step 6: Final answer
    x = 399,310,363.17

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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.