Home / 445,884,900.80-668,827,351.20-343,848,228.80

Finding the Fourth Proportional to 445,884,900.80, 668,827,351.20 and 343,848,228.80

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Solution

The fourth proportional to 445,884,900.80, 668,827,351.20 and 343,848,228.80 is: 515,772,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,884,900.80 : 668,827,351.20 = 343,848,228.80 : x
  2. Step 2: Convert to fraction form
    445,884,900.80/668,827,351.20 = 343,848,228.80/x
  3. Step 3: Cross multiply
    445,884,900.80x = 668,827,351.20 × 343,848,228.80
  4. Step 4: Simplify right side
    445,884,900.80x = 229,975,100,083,115,584
  5. Step 5: Solve for x
    x = 229,975,100,083,115,584/445,884,900.80
  6. Step 6: Final answer
    x = 515,772,343.20

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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.