Home / 682,200,979.34-941,440,188.47-368,935,193.30

Finding the Fourth Proportional to 682,200,979.34, 941,440,188.47 and 368,935,193.30

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Solution

The fourth proportional to 682,200,979.34, 941,440,188.47 and 368,935,193.30 is: 509,132,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,200,979.34 : 941,440,188.47 = 368,935,193.30 : x
  2. Step 2: Convert to fraction form
    682,200,979.34/941,440,188.47 = 368,935,193.30/x
  3. Step 3: Cross multiply
    682,200,979.34x = 941,440,188.47 × 368,935,193.30
  4. Step 4: Simplify right side
    682,200,979.34x = 347,330,417,907,016,064
  5. Step 5: Solve for x
    x = 347,330,417,907,016,064/682,200,979.34
  6. Step 6: Final answer
    x = 509,132,100.99

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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.