Finding the Fourth Proportional to 838,583,427.26, 1,157,296,906.09 and 462,239,167.46
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Solution
The fourth proportional to 838,583,427.26, 1,157,296,906.09 and 462,239,167.46 is: 637,918,591.03
Step by Step Solution
- Step 1: Write the proportion equation
838,583,427.26 : 1,157,296,906.09 = 462,239,167.46 : x - Step 2: Convert to fraction form
838,583,427.26/1,157,296,906.09 = 462,239,167.46/x - Step 3: Cross multiply
838,583,427.26x = 1,157,296,906.09 × 462,239,167.46 - Step 4: Simplify right side
838,583,427.26x = 534,947,958,376,813,056 - Step 5: Solve for x
x = 534,947,958,376,813,056/838,583,427.26 - Step 6: Final answer
x = 637,918,591.03
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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.