Home / 898,129,638.80-1,347,194,458.20-414,400,230.80

Finding the Fourth Proportional to 898,129,638.80, 1,347,194,458.20 and 414,400,230.80

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Solution

The fourth proportional to 898,129,638.80, 1,347,194,458.20 and 414,400,230.80 is: 621,600,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,129,638.80 : 1,347,194,458.20 = 414,400,230.80 : x
  2. Step 2: Convert to fraction form
    898,129,638.80/1,347,194,458.20 = 414,400,230.80/x
  3. Step 3: Cross multiply
    898,129,638.80x = 1,347,194,458.20 × 414,400,230.80
  4. Step 4: Simplify right side
    898,129,638.80x = 558,277,694,410,560,960
  5. Step 5: Solve for x
    x = 558,277,694,410,560,960/898,129,638.80
  6. Step 6: Final answer
    x = 621,600,346.20

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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.