Finding the Fourth Proportional to 887,663,943.48, 1,225,068,447.02 and 511,333,537.08
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Solution
The fourth proportional to 887,663,943.48, 1,225,068,447.02 and 511,333,537.08 is: 705,693,395.32
Step by Step Solution
- Step 1: Write the proportion equation
887,663,943.48 : 1,225,068,447.02 = 511,333,537.08 : x - Step 2: Convert to fraction form
887,663,943.48/1,225,068,447.02 = 511,333,537.08/x - Step 3: Cross multiply
887,663,943.48x = 1,225,068,447.02 × 511,333,537.08 - Step 4: Simplify right side
887,663,943.48x = 626,418,582,179,839,104 - Step 5: Solve for x
x = 626,418,582,179,839,104/887,663,943.48 - Step 6: Final answer
x = 705,693,395.32
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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.