Home / 719,470,360.30-1,079,205,540.45-413,360,344.30

Finding the Fourth Proportional to 719,470,360.30, 1,079,205,540.45 and 413,360,344.30

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Solution

The fourth proportional to 719,470,360.30, 1,079,205,540.45 and 413,360,344.30 is: 620,040,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,470,360.30 : 1,079,205,540.45 = 413,360,344.30 : x
  2. Step 2: Convert to fraction form
    719,470,360.30/1,079,205,540.45 = 413,360,344.30/x
  3. Step 3: Cross multiply
    719,470,360.30x = 1,079,205,540.45 × 413,360,344.30
  4. Step 4: Simplify right side
    719,470,360.30x = 446,100,773,770,879,616
  5. Step 5: Solve for x
    x = 446,100,773,770,879,616/719,470,360.30
  6. Step 6: Final answer
    x = 620,040,516.45

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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.