Home / 7,783,429,509.09-11,693,769,896.01-4,990,869,310.32

Finding the Fourth Proportional to 7,783,429,509.09, 11,693,769,896.01 and 4,990,869,310.32

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Solution

The fourth proportional to 7,783,429,509.09, 11,693,769,896.01 and 4,990,869,310.32 is: 7,498,247,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783,429,509.09 : 11,693,769,896.01 = 4,990,869,310.32 : x
  2. Step 2: Convert to fraction form
    7,783,429,509.09/11,693,769,896.01 = 4,990,869,310.32/x
  3. Step 3: Cross multiply
    7,783,429,509.09x = 11,693,769,896.01 × 4,990,869,310.32
  4. Step 4: Simplify right side
    7,783,429,509.09x = 58,362,077,295,940,206,592
  5. Step 5: Solve for x
    x = 58,362,077,295,940,206,592/7,783,429,509.09
  6. Step 6: Final answer
    x = 7,498,247,042.36

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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.