Home / 447,097,081.20-616,994,001.72-248,854,321.60

Finding the Fourth Proportional to 447,097,081.20, 616,994,001.72 and 248,854,321.60

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Solution

The fourth proportional to 447,097,081.20, 616,994,001.72 and 248,854,321.60 is: 343,418,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,097,081.20 : 616,994,001.72 = 248,854,321.60 : x
  2. Step 2: Convert to fraction form
    447,097,081.20/616,994,001.72 = 248,854,321.60/x
  3. Step 3: Cross multiply
    447,097,081.20x = 616,994,001.72 × 248,854,321.60
  4. Step 4: Simplify right side
    447,097,081.20x = 153,541,623,729,299,840
  5. Step 5: Solve for x
    x = 153,541,623,729,299,840/447,097,081.20
  6. Step 6: Final answer
    x = 343,418,980.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.