Finding the Fourth Proportional to 7,382,017,125.80, 11,073,025,688.70 and 3,883,638,271.40
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Solution
The fourth proportional to 7,382,017,125.80, 11,073,025,688.70 and 3,883,638,271.40 is: 5,825,457,407.10
Step by Step Solution
- Step 1: Write the proportion equation
7,382,017,125.80 : 11,073,025,688.70 = 3,883,638,271.40 : x - Step 2: Convert to fraction form
7,382,017,125.80/11,073,025,688.70 = 3,883,638,271.40/x - Step 3: Cross multiply
7,382,017,125.80x = 11,073,025,688.70 × 3,883,638,271.40 - Step 4: Simplify right side
7,382,017,125.80x = 43,003,626,344,830,664,704 - Step 5: Solve for x
x = 43,003,626,344,830,664,704/7,382,017,125.80 - Step 6: Final answer
x = 5,825,457,407.10
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Similar ratio
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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.