Finding the Fourth Proportional to 1,348,362,813.42, 2,022,544,224.99 and 379,014,429.42
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Solution
The fourth proportional to 1,348,362,813.42, 2,022,544,224.99 and 379,014,429.42 is: 568,521,645.50
Step by Step Solution
- Step 1: Write the proportion equation
1,348,362,813.42 : 2,022,544,224.99 = 379,014,429.42 : x - Step 2: Convert to fraction form
1,348,362,813.42/2,022,544,224.99 = 379,014,429.42/x - Step 3: Cross multiply
1,348,362,813.42x = 2,022,544,224.99 × 379,014,429.42 - Step 4: Simplify right side
1,348,362,813.42x = 766,573,445,411,300,992 - Step 5: Solve for x
x = 766,573,445,411,300,992/1,348,362,813.42 - Step 6: Final answer
x = 568,521,645.50
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Double scale
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Similar ratio
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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.