Finding the Fourth Proportional to 864,899,428.26, 1,193,560,833.99 and 468,422,436.18
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Solution
The fourth proportional to 864,899,428.26, 1,193,560,833.99 and 468,422,436.18 is: 646,422,757.74
Step by Step Solution
- Step 1: Write the proportion equation
864,899,428.26 : 1,193,560,833.99 = 468,422,436.18 : x - Step 2: Convert to fraction form
864,899,428.26/1,193,560,833.99 = 468,422,436.18/x - Step 3: Cross multiply
864,899,428.26x = 1,193,560,833.99 × 468,422,436.18 - Step 4: Simplify right side
864,899,428.26x = 559,090,673,586,628,352 - Step 5: Solve for x
x = 559,090,673,586,628,352/864,899,428.26 - Step 6: Final answer
x = 646,422,757.74
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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.