Finding the Fourth Proportional to 6,139,813,556.25, 8,472,968,235.45 and 3,320,421,481.08
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Solution
The fourth proportional to 6,139,813,556.25, 8,472,968,235.45 and 3,320,421,481.08 is: 4,582,195,449.38
Step by Step Solution
- Step 1: Write the proportion equation
6,139,813,556.25 : 8,472,968,235.45 = 3,320,421,481.08 : x - Step 2: Convert to fraction form
6,139,813,556.25/8,472,968,235.45 = 3,320,421,481.08/x - Step 3: Cross multiply
6,139,813,556.25x = 8,472,968,235.45 × 3,320,421,481.08 - Step 4: Simplify right side
6,139,813,556.25x = 28,133,825,737,496,682,496 - Step 5: Solve for x
x = 28,133,825,737,496,682,496/6,139,813,556.25 - Step 6: Final answer
x = 4,582,195,449.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.