Home / 621,114,580.20-930,880,613.70-330,121,108.20

Finding the Fourth Proportional to 621,114,580.20, 930,880,613.70 and 330,121,108.20

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Solution

The fourth proportional to 621,114,580.20, 930,880,613.70 and 330,121,108.20 is: 494,761,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,114,580.20 : 930,880,613.70 = 330,121,108.20 : x
  2. Step 2: Convert to fraction form
    621,114,580.20/930,880,613.70 = 330,121,108.20/x
  3. Step 3: Cross multiply
    621,114,580.20x = 930,880,613.70 × 330,121,108.20
  4. Step 4: Simplify right side
    621,114,580.20x = 307,303,339,796,540,096
  5. Step 5: Solve for x
    x = 307,303,339,796,540,096/621,114,580.20
  6. Step 6: Final answer
    x = 494,761,111.06

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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.