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Finding the Fourth Proportional to 606,877,862.50, 909,948,168.15 and 237,970,858.78

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Solution

The fourth proportional to 606,877,862.50, 909,948,168.15 and 237,970,858.78 is: 356,811,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,877,862.50 : 909,948,168.15 = 237,970,858.78 : x
  2. Step 2: Convert to fraction form
    606,877,862.50/909,948,168.15 = 237,970,858.78/x
  3. Step 3: Cross multiply
    606,877,862.50x = 909,948,168.15 × 237,970,858.78
  4. Step 4: Simplify right side
    606,877,862.50x = 216,541,147,019,943,328
  5. Step 5: Solve for x
    x = 216,541,147,019,943,328/606,877,862.50
  6. Step 6: Final answer
    x = 356,811,741.54

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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.