Home / 492,048,846.40-738,073,269.60-200,819,178.40

Finding the Fourth Proportional to 492,048,846.40, 738,073,269.60 and 200,819,178.40

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Solution

The fourth proportional to 492,048,846.40, 738,073,269.60 and 200,819,178.40 is: 301,228,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,048,846.40 : 738,073,269.60 = 200,819,178.40 : x
  2. Step 2: Convert to fraction form
    492,048,846.40/738,073,269.60 = 200,819,178.40/x
  3. Step 3: Cross multiply
    492,048,846.40x = 738,073,269.60 × 200,819,178.40
  4. Step 4: Simplify right side
    492,048,846.40x = 148,219,267,600,073,696
  5. Step 5: Solve for x
    x = 148,219,267,600,073,696/492,048,846.40
  6. Step 6: Final answer
    x = 301,228,767.60

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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.