Home / 445,824,003.80-668,736,005.70-271,227,920.60

Finding the Fourth Proportional to 445,824,003.80, 668,736,005.70 and 271,227,920.60

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Solution

The fourth proportional to 445,824,003.80, 668,736,005.70 and 271,227,920.60 is: 406,841,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,003.80 : 668,736,005.70 = 271,227,920.60 : x
  2. Step 2: Convert to fraction form
    445,824,003.80/668,736,005.70 = 271,227,920.60/x
  3. Step 3: Cross multiply
    445,824,003.80x = 668,736,005.70 × 271,227,920.60
  4. Step 4: Simplify right side
    445,824,003.80x = 181,379,876,256,360,768
  5. Step 5: Solve for x
    x = 181,379,876,256,360,768/445,824,003.80
  6. Step 6: Final answer
    x = 406,841,880.90

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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.