Finding the Fourth Proportional to 7,185,267,029.70, 10,777,900,544.55 and 6,647,789,909.70
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Solution
The fourth proportional to 7,185,267,029.70, 10,777,900,544.55 and 6,647,789,909.70 is: 9,971,684,864.55
Step by Step Solution
- Step 1: Write the proportion equation
7,185,267,029.70 : 10,777,900,544.55 = 6,647,789,909.70 : x - Step 2: Convert to fraction form
7,185,267,029.70/10,777,900,544.55 = 6,647,789,909.70/x - Step 3: Cross multiply
7,185,267,029.70x = 10,777,900,544.55 × 6,647,789,909.70 - Step 4: Simplify right side
7,185,267,029.70x = 71,649,218,487,809,622,016 - Step 5: Solve for x
x = 71,649,218,487,809,622,016/7,185,267,029.70 - Step 6: Final answer
x = 9,971,684,864.55
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1.5x scale
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.