Home / 1,396,724,007-2,095,441,879.14-414,186,438.36

Finding the Fourth Proportional to 1,396,724,007, 2,095,441,879.14 and 414,186,438.36

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Solution

The fourth proportional to 1,396,724,007, 2,095,441,879.14 and 414,186,438.36 is: 621,385,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,724,007 : 2,095,441,879.14 = 414,186,438.36 : x
  2. Step 2: Convert to fraction form
    1,396,724,007/2,095,441,879.14 = 414,186,438.36/x
  3. Step 3: Cross multiply
    1,396,724,007x = 2,095,441,879.14 × 414,186,438.36
  4. Step 4: Simplify right side
    1,396,724,007x = 867,903,608,711,382,272
  5. Step 5: Solve for x
    x = 867,903,608,711,382,272/1,396,724,007
  6. Step 6: Final answer
    x = 621,385,187.31

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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.