Finding the Fourth Proportional to 5,898,173,349.12, 8,847,199,467 and 3,409,450,716.48
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Solution
The fourth proportional to 5,898,173,349.12, 8,847,199,467 and 3,409,450,716.48 is: 5,114,141,069.81
Step by Step Solution
- Step 1: Write the proportion equation
5,898,173,349.12 : 8,847,199,467 = 3,409,450,716.48 : x - Step 2: Convert to fraction form
5,898,173,349.12/8,847,199,467 = 3,409,450,716.48/x - Step 3: Cross multiply
5,898,173,349.12x = 8,847,199,467 × 3,409,450,716.48 - Step 4: Simplify right side
5,898,173,349.12x = 30,164,090,561,604,624,384 - Step 5: Solve for x
x = 30,164,090,561,604,624,384/5,898,173,349.12 - Step 6: Final answer
x = 5,114,141,069.81
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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.