Home / 481,172,079.42-663,903,658.56-272,328,215.94

Finding the Fourth Proportional to 481,172,079.42, 663,903,658.56 and 272,328,215.94

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Solution

The fourth proportional to 481,172,079.42, 663,903,658.56 and 272,328,215.94 is: 375,748,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,172,079.42 : 663,903,658.56 = 272,328,215.94 : x
  2. Step 2: Convert to fraction form
    481,172,079.42/663,903,658.56 = 272,328,215.94/x
  3. Step 3: Cross multiply
    481,172,079.42x = 663,903,658.56 × 272,328,215.94
  4. Step 4: Simplify right side
    481,172,079.42x = 180,799,698,891,683,680
  5. Step 5: Solve for x
    x = 180,799,698,891,683,680/481,172,079.42
  6. Step 6: Final answer
    x = 375,748,524.54

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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.