Home / 1,108,782,208,217.20-1,660,308,947,916.90-765,243,264,022.40

Finding the Fourth Proportional to 1,108,782,208,217.20, 1,660,308,947,916.90 and 765,243,264,022.40

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Solution

The fourth proportional to 1,108,782,208,217.20, 1,660,308,947,916.90 and 765,243,264,022.40 is: 1,145,888,010,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,782,208,217.20 : 1,660,308,947,916.90 = 765,243,264,022.40 : x
  2. Step 2: Convert to fraction form
    1,108,782,208,217.20/1,660,308,947,916.90 = 765,243,264,022.40/x
  3. Step 3: Cross multiply
    1,108,782,208,217.20x = 1,660,308,947,916.90 × 765,243,264,022.40
  4. Step 4: Simplify right side
    1,108,782,208,217.20x = 1,270,540,238,589,525,512,683,520
  5. Step 5: Solve for x
    x = 1,270,540,238,589,525,512,683,520/1,108,782,208,217.20
  6. Step 6: Final answer
    x = 1,145,888,010,443.83

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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.