Home / 447,097,080.21-616,994,000.36-248,854,320.60

Finding the Fourth Proportional to 447,097,080.21, 616,994,000.36 and 248,854,320.60

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Solution

The fourth proportional to 447,097,080.21, 616,994,000.36 and 248,854,320.60 is: 343,418,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,097,080.21 : 616,994,000.36 = 248,854,320.60 : x
  2. Step 2: Convert to fraction form
    447,097,080.21/616,994,000.36 = 248,854,320.60/x
  3. Step 3: Cross multiply
    447,097,080.21x = 616,994,000.36 × 248,854,320.60
  4. Step 4: Simplify right side
    447,097,080.21x = 153,541,622,772,619,680
  5. Step 5: Solve for x
    x = 153,541,622,772,619,680/447,097,080.21
  6. Step 6: Final answer
    x = 343,418,978.94

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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.