Home / 1,396,724,009-2,095,441,882.14-414,186,440.36

Finding the Fourth Proportional to 1,396,724,009, 2,095,441,882.14 and 414,186,440.36

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Solution

The fourth proportional to 1,396,724,009, 2,095,441,882.14 and 414,186,440.36 is: 621,385,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,724,009 : 2,095,441,882.14 = 414,186,440.36 : x
  2. Step 2: Convert to fraction form
    1,396,724,009/2,095,441,882.14 = 414,186,440.36/x
  3. Step 3: Cross multiply
    1,396,724,009x = 2,095,441,882.14 × 414,186,440.36
  4. Step 4: Simplify right side
    1,396,724,009x = 867,903,614,144,825,344
  5. Step 5: Solve for x
    x = 867,903,614,144,825,344/1,396,724,009
  6. Step 6: Final answer
    x = 621,385,190.31

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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.