Finding the Fourth Proportional to 6,762,265,786.28, 9,328,049,656.26 and 4,217,529,778.36
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Solution
The fourth proportional to 6,762,265,786.28, 9,328,049,656.26 and 4,217,529,778.36 is: 5,817,772,983.59
Step by Step Solution
- Step 1: Write the proportion equation
6,762,265,786.28 : 9,328,049,656.26 = 4,217,529,778.36 : x - Step 2: Convert to fraction form
6,762,265,786.28/9,328,049,656.26 = 4,217,529,778.36/x - Step 3: Cross multiply
6,762,265,786.28x = 9,328,049,656.26 × 4,217,529,778.36 - Step 4: Simplify right side
6,762,265,786.28x = 39,341,327,199,297,314,816 - Step 5: Solve for x
x = 39,341,327,199,297,314,816/6,762,265,786.28 - Step 6: Final answer
x = 5,817,772,983.59
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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.