Finding the Fourth Proportional to 557,862,486.68, 769,827,113.88 and 303,544,893.36
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Solution
The fourth proportional to 557,862,486.68, 769,827,113.88 and 303,544,893.36 is: 418,879,373.99
Step by Step Solution
- Step 1: Write the proportion equation
557,862,486.68 : 769,827,113.88 = 303,544,893.36 : x - Step 2: Convert to fraction form
557,862,486.68/769,827,113.88 = 303,544,893.36/x - Step 3: Cross multiply
557,862,486.68x = 769,827,113.88 × 303,544,893.36 - Step 4: Simplify right side
557,862,486.68x = 233,677,089,188,341,184 - Step 5: Solve for x
x = 233,677,089,188,341,184/557,862,486.68 - Step 6: Final answer
x = 418,879,373.99
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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.