Home / 492,193,217.40-738,289,826.10-412,168,846.20

Finding the Fourth Proportional to 492,193,217.40, 738,289,826.10 and 412,168,846.20

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Solution

The fourth proportional to 492,193,217.40, 738,289,826.10 and 412,168,846.20 is: 618,253,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,193,217.40 : 738,289,826.10 = 412,168,846.20 : x
  2. Step 2: Convert to fraction form
    492,193,217.40/738,289,826.10 = 412,168,846.20/x
  3. Step 3: Cross multiply
    492,193,217.40x = 738,289,826.10 × 412,168,846.20
  4. Step 4: Simplify right side
    492,193,217.40x = 304,300,065,784,835,648
  5. Step 5: Solve for x
    x = 304,300,065,784,835,648/492,193,217.40
  6. Step 6: Final answer
    x = 618,253,269.30

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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.