Home / 321,352,325.26-482,024,288.85-79,017,328.78

Finding the Fourth Proportional to 321,352,325.26, 482,024,288.85 and 79,017,328.78

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Solution

The fourth proportional to 321,352,325.26, 482,024,288.85 and 79,017,328.78 is: 118,524,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,352,325.26 : 482,024,288.85 = 79,017,328.78 : x
  2. Step 2: Convert to fraction form
    321,352,325.26/482,024,288.85 = 79,017,328.78/x
  3. Step 3: Cross multiply
    321,352,325.26x = 482,024,288.85 × 79,017,328.78
  4. Step 4: Simplify right side
    321,352,325.26x = 38,088,271,712,006,144
  5. Step 5: Solve for x
    x = 38,088,271,712,006,144/321,352,325.26
  6. Step 6: Final answer
    x = 118,524,960.67

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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.