Home / 7,338,990,129.60-11,012,311,569.60-3,198,852,163.20

Finding the Fourth Proportional to 7,338,990,129.60, 11,012,311,569.60 and 3,198,852,163.20

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Solution

The fourth proportional to 7,338,990,129.60, 11,012,311,569.60 and 3,198,852,163.20 is: 4,799,946,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,990,129.60 : 11,012,311,569.60 = 3,198,852,163.20 : x
  2. Step 2: Convert to fraction form
    7,338,990,129.60/11,012,311,569.60 = 3,198,852,163.20/x
  3. Step 3: Cross multiply
    7,338,990,129.60x = 11,012,311,569.60 × 3,198,852,163.20
  4. Step 4: Simplify right side
    7,338,990,129.60x = 35,226,756,686,247,346,176
  5. Step 5: Solve for x
    x = 35,226,756,686,247,346,176/7,338,990,129.60
  6. Step 6: Final answer
    x = 4,799,946,050.37

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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.