Home / 863,257,600.80-1,294,886,401.20-318,211,711.20

Finding the Fourth Proportional to 863,257,600.80, 1,294,886,401.20 and 318,211,711.20

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Solution

The fourth proportional to 863,257,600.80, 1,294,886,401.20 and 318,211,711.20 is: 477,317,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,257,600.80 : 1,294,886,401.20 = 318,211,711.20 : x
  2. Step 2: Convert to fraction form
    863,257,600.80/1,294,886,401.20 = 318,211,711.20/x
  3. Step 3: Cross multiply
    863,257,600.80x = 1,294,886,401.20 × 318,211,711.20
  4. Step 4: Simplify right side
    863,257,600.80x = 412,048,017,535,461,760
  5. Step 5: Solve for x
    x = 412,048,017,535,461,760/863,257,600.80
  6. Step 6: Final answer
    x = 477,317,566.80

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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.