Home / 7,120,365,046.08-9,826,087,975.20-3,948,470,571.84

Finding the Fourth Proportional to 7,120,365,046.08, 9,826,087,975.20 and 3,948,470,571.84

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Solution

The fourth proportional to 7,120,365,046.08, 9,826,087,975.20 and 3,948,470,571.84 is: 5,448,880,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,365,046.08 : 9,826,087,975.20 = 3,948,470,571.84 : x
  2. Step 2: Convert to fraction form
    7,120,365,046.08/9,826,087,975.20 = 3,948,470,571.84/x
  3. Step 3: Cross multiply
    7,120,365,046.08x = 9,826,087,975.20 × 3,948,470,571.84
  4. Step 4: Simplify right side
    7,120,365,046.08x = 38,798,019,206,388,097,024
  5. Step 5: Solve for x
    x = 38,798,019,206,388,097,024/7,120,365,046.08
  6. Step 6: Final answer
    x = 5,448,880,633.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.