Finding the Fourth Proportional to 838,190,085.98, 1,148,325,626.94 and 806,772,473.42
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Solution
The fourth proportional to 838,190,085.98, 1,148,325,626.94 and 806,772,473.42 is: 1,105,283,302.48
Step by Step Solution
- Step 1: Write the proportion equation
838,190,085.98 : 1,148,325,626.94 = 806,772,473.42 : x - Step 2: Convert to fraction form
838,190,085.98/1,148,325,626.94 = 806,772,473.42/x - Step 3: Cross multiply
838,190,085.98x = 1,148,325,626.94 × 806,772,473.42 - Step 4: Simplify right side
838,190,085.98x = 926,437,506,333,922,048 - Step 5: Solve for x
x = 926,437,506,333,922,048/838,190,085.98 - Step 6: Final answer
x = 1,105,283,302.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.