Home / 299,585,413,509.45-449,332,715,413.12-81,535,852,151.03

Finding the Fourth Proportional to 299,585,413,509.45, 449,332,715,413.12 and 81,535,852,151.03

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Solution

The fourth proportional to 299,585,413,509.45, 449,332,715,413.12 and 81,535,852,151.03 is: 122,291,420,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,585,413,509.45 : 449,332,715,413.12 = 81,535,852,151.03 : x
  2. Step 2: Convert to fraction form
    299,585,413,509.45/449,332,715,413.12 = 81,535,852,151.03/x
  3. Step 3: Cross multiply
    299,585,413,509.45x = 449,332,715,413.12 × 81,535,852,151.03
  4. Step 4: Simplify right side
    299,585,413,509.45x = 36,636,725,850,542,740,340,736
  5. Step 5: Solve for x
    x = 36,636,725,850,542,740,340,736/299,585,413,509.45
  6. Step 6: Final answer
    x = 122,291,420,738.30

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1.5x scale

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.