Home / 402,226,000.30-603,339,000.60-218,559,990.70

Finding the Fourth Proportional to 402,226,000.30, 603,339,000.60 and 218,559,990.70

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Solution

The fourth proportional to 402,226,000.30, 603,339,000.60 and 218,559,990.70 is: 327,839,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,226,000.30 : 603,339,000.60 = 218,559,990.70 : x
  2. Step 2: Convert to fraction form
    402,226,000.30/603,339,000.60 = 218,559,990.70/x
  3. Step 3: Cross multiply
    402,226,000.30x = 603,339,000.60 × 218,559,990.70
  4. Step 4: Simplify right side
    402,226,000.30x = 131,865,766,360,083,296
  5. Step 5: Solve for x
    x = 131,865,766,360,083,296/402,226,000.30
  6. Step 6: Final answer
    x = 327,839,986.13

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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.