Home / 682,344,013.20-1,023,516,019.80-245,712,087.60

Finding the Fourth Proportional to 682,344,013.20, 1,023,516,019.80 and 245,712,087.60

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Solution

The fourth proportional to 682,344,013.20, 1,023,516,019.80 and 245,712,087.60 is: 368,568,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,344,013.20 : 1,023,516,019.80 = 245,712,087.60 : x
  2. Step 2: Convert to fraction form
    682,344,013.20/1,023,516,019.80 = 245,712,087.60/x
  3. Step 3: Cross multiply
    682,344,013.20x = 1,023,516,019.80 × 245,712,087.60
  4. Step 4: Simplify right side
    682,344,013.20x = 251,490,257,917,100,928
  5. Step 5: Solve for x
    x = 251,490,257,917,100,928/682,344,013.20
  6. Step 6: Final answer
    x = 368,568,131.40

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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.