Home / 889,644,331.20-1,333,493,287.20-314,919,825.60

Finding the Fourth Proportional to 889,644,331.20, 1,333,493,287.20 and 314,919,825.60

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Solution

The fourth proportional to 889,644,331.20, 1,333,493,287.20 and 314,919,825.60 is: 472,035,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,644,331.20 : 1,333,493,287.20 = 314,919,825.60 : x
  2. Step 2: Convert to fraction form
    889,644,331.20/1,333,493,287.20 = 314,919,825.60/x
  3. Step 3: Cross multiply
    889,644,331.20x = 1,333,493,287.20 × 314,919,825.60
  4. Step 4: Simplify right side
    889,644,331.20x = 419,943,473,443,794,752
  5. Step 5: Solve for x
    x = 419,943,473,443,794,752/889,644,331.20
  6. Step 6: Final answer
    x = 472,035,237.81

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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.