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Finding the Fourth Proportional to 575,635,968.90, 863,514,438.48 and 187,489,024.11

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Solution

The fourth proportional to 575,635,968.90, 863,514,438.48 and 187,489,024.11 is: 281,253,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,635,968.90 : 863,514,438.48 = 187,489,024.11 : x
  2. Step 2: Convert to fraction form
    575,635,968.90/863,514,438.48 = 187,489,024.11/x
  3. Step 3: Cross multiply
    575,635,968.90x = 863,514,438.48 × 187,489,024.11
  4. Step 4: Simplify right side
    575,635,968.90x = 161,899,479,375,509,856
  5. Step 5: Solve for x
    x = 161,899,479,375,509,856/575,635,968.90
  6. Step 6: Final answer
    x = 281,253,236.63

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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.