Finding the Fourth Proportional to 865,754,424.68, 1,194,709,097.96 and 469,268,901.31
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Solution
The fourth proportional to 865,754,424.68, 1,194,709,097.96 and 469,268,901.31 is: 647,573,734.30
Step by Step Solution
- Step 1: Write the proportion equation
865,754,424.68 : 1,194,709,097.96 = 469,268,901.31 : x - Step 2: Convert to fraction form
865,754,424.68/1,194,709,097.96 = 469,268,901.31/x - Step 3: Cross multiply
865,754,424.68x = 1,194,709,097.96 × 469,268,901.31 - Step 4: Simplify right side
865,754,424.68x = 560,639,825,782,403,968 - Step 5: Solve for x
x = 560,639,825,782,403,968/865,754,424.68 - Step 6: Final answer
x = 647,573,734.30
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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.