Home / 445,712,032.80-668,568,049.20-343,675,360.80

Finding the Fourth Proportional to 445,712,032.80, 668,568,049.20 and 343,675,360.80

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Solution

The fourth proportional to 445,712,032.80, 668,568,049.20 and 343,675,360.80 is: 515,513,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,712,032.80 : 668,568,049.20 = 343,675,360.80 : x
  2. Step 2: Convert to fraction form
    445,712,032.80/668,568,049.20 = 343,675,360.80/x
  3. Step 3: Cross multiply
    445,712,032.80x = 668,568,049.20 × 343,675,360.80
  4. Step 4: Simplify right side
    445,712,032.80x = 229,770,365,528,162,176
  5. Step 5: Solve for x
    x = 229,770,365,528,162,176/445,712,032.80
  6. Step 6: Final answer
    x = 515,513,041.20

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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.