Home / 682,366,669.20-1,023,550,003.80-245,734,743.60

Finding the Fourth Proportional to 682,366,669.20, 1,023,550,003.80 and 245,734,743.60

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Solution

The fourth proportional to 682,366,669.20, 1,023,550,003.80 and 245,734,743.60 is: 368,602,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,366,669.20 : 1,023,550,003.80 = 245,734,743.60 : x
  2. Step 2: Convert to fraction form
    682,366,669.20/1,023,550,003.80 = 245,734,743.60/x
  3. Step 3: Cross multiply
    682,366,669.20x = 1,023,550,003.80 × 245,734,743.60
  4. Step 4: Simplify right side
    682,366,669.20x = 251,521,797,745,572,000
  5. Step 5: Solve for x
    x = 251,521,797,745,572,000/682,366,669.20
  6. Step 6: Final answer
    x = 368,602,115.40

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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.