Finding the Fourth Proportional to 5,439,512,129.60, 8,159,268,194.40 and 1,759,389,492.80
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Solution
The fourth proportional to 5,439,512,129.60, 8,159,268,194.40 and 1,759,389,492.80 is: 2,639,084,239.20
Step by Step Solution
- Step 1: Write the proportion equation
5,439,512,129.60 : 8,159,268,194.40 = 1,759,389,492.80 : x - Step 2: Convert to fraction form
5,439,512,129.60/8,159,268,194.40 = 1,759,389,492.80/x - Step 3: Cross multiply
5,439,512,129.60x = 8,159,268,194.40 × 1,759,389,492.80 - Step 4: Simplify right side
5,439,512,129.60x = 14,355,330,730,164,586,496 - Step 5: Solve for x
x = 14,355,330,730,164,586,496/5,439,512,129.60 - Step 6: Final answer
x = 2,639,084,239.20
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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.