Finding the Fourth Proportional to 1,344,293,479,972.20, 1,855,130,591,640.90 and 726,996,198,022.99
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Solution
The fourth proportional to 1,344,293,479,972.20, 1,855,130,591,640.90 and 726,996,198,022.99 is: 1,003,257,775,963.45
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,479,972.20 : 1,855,130,591,640.90 = 726,996,198,022.99 : x - Step 2: Convert to fraction form
1,344,293,479,972.20/1,855,130,591,640.90 = 726,996,198,022.99/x - Step 3: Cross multiply
1,344,293,479,972.20x = 1,855,130,591,640.90 × 726,996,198,022.99 - Step 4: Simplify right side
1,344,293,479,972.20x = 1,348,672,886,959,074,250,326,016 - Step 5: Solve for x
x = 1,348,672,886,959,074,250,326,016/1,344,293,479,972.20 - Step 6: Final answer
x = 1,003,257,775,963.45
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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.