Home / 680,206,643.44-1,020,471,866.34-220,144,813.36

Finding the Fourth Proportional to 680,206,643.44, 1,020,471,866.34 and 220,144,813.36

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Solution

The fourth proportional to 680,206,643.44, 1,020,471,866.34 and 220,144,813.36 is: 330,269,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,206,643.44 : 1,020,471,866.34 = 220,144,813.36 : x
  2. Step 2: Convert to fraction form
    680,206,643.44/1,020,471,866.34 = 220,144,813.36/x
  3. Step 3: Cross multiply
    680,206,643.44x = 1,020,471,866.34 × 220,144,813.36
  4. Step 4: Simplify right side
    680,206,643.44x = 224,651,588,554,550,176
  5. Step 5: Solve for x
    x = 224,651,588,554,550,176/680,206,643.44
  6. Step 6: Final answer
    x = 330,269,618.39

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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.