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Finding the Fourth Proportional to 205,860,726,072.60, 308,791,089,108.90 and 205,860,726,072.60

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Solution

The fourth proportional to 205,860,726,072.60, 308,791,089,108.90 and 205,860,726,072.60 is: 308,791,089,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,860,726,072.60 : 308,791,089,108.90 = 205,860,726,072.60 : x
  2. Step 2: Convert to fraction form
    205,860,726,072.60/308,791,089,108.90 = 205,860,726,072.60/x
  3. Step 3: Cross multiply
    205,860,726,072.60x = 308,791,089,108.90 × 205,860,726,072.60
  4. Step 4: Simplify right side
    205,860,726,072.60x = 63,567,957,808,707,086,057,472
  5. Step 5: Solve for x
    x = 63,567,957,808,707,086,057,472/205,860,726,072.60
  6. Step 6: Final answer
    x = 308,791,089,108.90

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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.