Finding the Fourth Proportional to 6,485,532,732.63, 8,950,048,359.30 and 3,515,310,995.67
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Solution
The fourth proportional to 6,485,532,732.63, 8,950,048,359.30 and 3,515,310,995.67 is: 4,851,136,322.38
Step by Step Solution
- Step 1: Write the proportion equation
6,485,532,732.63 : 8,950,048,359.30 = 3,515,310,995.67 : x - Step 2: Convert to fraction form
6,485,532,732.63/8,950,048,359.30 = 3,515,310,995.67/x - Step 3: Cross multiply
6,485,532,732.63x = 8,950,048,359.30 × 3,515,310,995.67 - Step 4: Simplify right side
6,485,532,732.63x = 31,462,203,409,225,531,392 - Step 5: Solve for x
x = 31,462,203,409,225,531,392/6,485,532,732.63 - Step 6: Final answer
x = 4,851,136,322.38
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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.