Finding the Fourth Proportional to 865,754,440.26, 1,194,709,119.30 and 469,268,916.93
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Solution
The fourth proportional to 865,754,440.26, 1,194,709,119.30 and 469,268,916.93 is: 647,573,755.78
Step by Step Solution
- Step 1: Write the proportion equation
865,754,440.26 : 1,194,709,119.30 = 469,268,916.93 : x - Step 2: Convert to fraction form
865,754,440.26/1,194,709,119.30 = 469,268,916.93/x - Step 3: Cross multiply
865,754,440.26x = 1,194,709,119.30 × 469,268,916.93 - Step 4: Simplify right side
865,754,440.26x = 560,639,854,460,305,152 - Step 5: Solve for x
x = 560,639,854,460,305,152/865,754,440.26 - Step 6: Final answer
x = 647,573,755.78
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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.