Finding the Fourth Proportional to 3,015,960,196.31, 4,162,062,725.06 and 1,659,750,130.99
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Solution
The fourth proportional to 3,015,960,196.31, 4,162,062,725.06 and 1,659,750,130.99 is: 2,290,475,902.69
Step by Step Solution
- Step 1: Write the proportion equation
3,015,960,196.31 : 4,162,062,725.06 = 1,659,750,130.99 : x - Step 2: Convert to fraction form
3,015,960,196.31/4,162,062,725.06 = 1,659,750,130.99/x - Step 3: Cross multiply
3,015,960,196.31x = 4,162,062,725.06 × 1,659,750,130.99 - Step 4: Simplify right side
3,015,960,196.31x = 6,907,984,153,104,043,008 - Step 5: Solve for x
x = 6,907,984,153,104,043,008/3,015,960,196.31 - Step 6: Final answer
x = 2,290,475,902.69
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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.