Home / 1,395,216,000.80-2,092,446,087.60-412,640,640.80

Finding the Fourth Proportional to 1,395,216,000.80, 2,092,446,087.60 and 412,640,640.80

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Solution

The fourth proportional to 1,395,216,000.80, 2,092,446,087.60 and 412,640,640.80 is: 618,849,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,216,000.80 : 2,092,446,087.60 = 412,640,640.80 : x
  2. Step 2: Convert to fraction form
    1,395,216,000.80/2,092,446,087.60 = 412,640,640.80/x
  3. Step 3: Cross multiply
    1,395,216,000.80x = 2,092,446,087.60 × 412,640,640.80
  4. Step 4: Simplify right side
    1,395,216,000.80x = 863,428,294,426,716,928
  5. Step 5: Solve for x
    x = 863,428,294,426,716,928/1,395,216,000.80
  6. Step 6: Final answer
    x = 618,849,191.76

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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.