Finding the Fourth Proportional to 18,475,776,389.80, 27,713,664,584.70 and 5,389,573,205.80
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Solution
The fourth proportional to 18,475,776,389.80, 27,713,664,584.70 and 5,389,573,205.80 is: 8,084,359,808.70
Step by Step Solution
- Step 1: Write the proportion equation
18,475,776,389.80 : 27,713,664,584.70 = 5,389,573,205.80 : x - Step 2: Convert to fraction form
18,475,776,389.80/27,713,664,584.70 = 5,389,573,205.80/x - Step 3: Cross multiply
18,475,776,389.80x = 27,713,664,584.70 × 5,389,573,205.80 - Step 4: Simplify right side
18,475,776,389.80x = 149,364,824,080,227,500,032 - Step 5: Solve for x
x = 149,364,824,080,227,500,032/18,475,776,389.80 - Step 6: Final answer
x = 8,084,359,808.70
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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.