Finding the Fourth Proportional to 876,644,162,708.40, 1,209,339,046,657.70 and 760,738,243,256.23
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Solution
The fourth proportional to 876,644,162,708.40, 1,209,339,046,657.70 and 760,738,243,256.23 is: 1,049,445,716,963.68
Step by Step Solution
- Step 1: Write the proportion equation
876,644,162,708.40 : 1,209,339,046,657.70 = 760,738,243,256.23 : x - Step 2: Convert to fraction form
876,644,162,708.40/1,209,339,046,657.70 = 760,738,243,256.23/x - Step 3: Cross multiply
876,644,162,708.40x = 1,209,339,046,657.70 × 760,738,243,256.23 - Step 4: Simplify right side
876,644,162,708.40x = 919,990,461,855,542,611,542,016 - Step 5: Solve for x
x = 919,990,461,855,542,611,542,016/876,644,162,708.40 - Step 6: Final answer
x = 1,049,445,716,963.68
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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.