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Finding the Fourth Proportional to 259,234,003.80, 388,851,005.70 and 259,234,003.80

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Solution

The fourth proportional to 259,234,003.80, 388,851,005.70 and 259,234,003.80 is: 388,851,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,234,003.80 : 388,851,005.70 = 259,234,003.80 : x
  2. Step 2: Convert to fraction form
    259,234,003.80/388,851,005.70 = 259,234,003.80/x
  3. Step 3: Cross multiply
    259,234,003.80x = 388,851,005.70 × 259,234,003.80
  4. Step 4: Simplify right side
    259,234,003.80x = 100,803,403,089,267,616
  5. Step 5: Solve for x
    x = 100,803,403,089,267,616/259,234,003.80
  6. Step 6: Final answer
    x = 388,851,005.70

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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.