Home / 1,396,724,004-2,095,441,874.64-414,186,435.36

Finding the Fourth Proportional to 1,396,724,004, 2,095,441,874.64 and 414,186,435.36

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Solution

The fourth proportional to 1,396,724,004, 2,095,441,874.64 and 414,186,435.36 is: 621,385,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,724,004 : 2,095,441,874.64 = 414,186,435.36 : x
  2. Step 2: Convert to fraction form
    1,396,724,004/2,095,441,874.64 = 414,186,435.36/x
  3. Step 3: Cross multiply
    1,396,724,004x = 2,095,441,874.64 × 414,186,435.36
  4. Step 4: Simplify right side
    1,396,724,004x = 867,903,600,561,217,664
  5. Step 5: Solve for x
    x = 867,903,600,561,217,664/1,396,724,004
  6. Step 6: Final answer
    x = 621,385,182.81

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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.