Home / 682,200,967.32-941,440,171.92-368,935,181.31

Finding the Fourth Proportional to 682,200,967.32, 941,440,171.92 and 368,935,181.31

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Solution

The fourth proportional to 682,200,967.32, 941,440,171.92 and 368,935,181.31 is: 509,132,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,200,967.32 : 941,440,171.92 = 368,935,181.31 : x
  2. Step 2: Convert to fraction form
    682,200,967.32/941,440,171.92 = 368,935,181.31/x
  3. Step 3: Cross multiply
    682,200,967.32x = 941,440,171.92 × 368,935,181.31
  4. Step 4: Simplify right side
    682,200,967.32x = 347,330,400,519,822,784
  5. Step 5: Solve for x
    x = 347,330,400,519,822,784/682,200,967.32
  6. Step 6: Final answer
    x = 509,132,084.47

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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.