Home / 397,780,552.64-548,908,946.70-219,156,638.60

Finding the Fourth Proportional to 397,780,552.64, 548,908,946.70 and 219,156,638.60

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Solution

The fourth proportional to 397,780,552.64, 548,908,946.70 and 219,156,638.60 is: 302,420,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780,552.64 : 548,908,946.70 = 219,156,638.60 : x
  2. Step 2: Convert to fraction form
    397,780,552.64/548,908,946.70 = 219,156,638.60/x
  3. Step 3: Cross multiply
    397,780,552.64x = 548,908,946.70 × 219,156,638.60
  4. Step 4: Simplify right side
    397,780,552.64x = 120,297,039,656,238,576
  5. Step 5: Solve for x
    x = 120,297,039,656,238,576/397,780,552.64
  6. Step 6: Final answer
    x = 302,420,615.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.