Finding the Fourth Proportional to 884,344,986.81, 1,325,818,531.22 and 441,460,366.65
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Solution
The fourth proportional to 884,344,986.81, 1,325,818,531.22 and 441,460,366.65 is: 661,841,638.31
Step by Step Solution
- Step 1: Write the proportion equation
884,344,986.81 : 1,325,818,531.22 = 441,460,366.65 : x - Step 2: Convert to fraction form
884,344,986.81/1,325,818,531.22 = 441,460,366.65/x - Step 3: Cross multiply
884,344,986.81x = 1,325,818,531.22 × 441,460,366.65 - Step 4: Simplify right side
884,344,986.81x = 585,296,334,901,538,304 - Step 5: Solve for x
x = 585,296,334,901,538,304/884,344,986.81 - Step 6: Final answer
x = 661,841,638.31
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.