Finding the Fourth Proportional to 486,515,232,025.70, 729,772,848,038.55 and 486,515,232,025.70
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Solution
The fourth proportional to 486,515,232,025.70, 729,772,848,038.55 and 486,515,232,025.70 is: 729,772,848,038.55
Step by Step Solution
- Step 1: Write the proportion equation
486,515,232,025.70 : 729,772,848,038.55 = 486,515,232,025.70 : x - Step 2: Convert to fraction form
486,515,232,025.70/729,772,848,038.55 = 486,515,232,025.70/x - Step 3: Cross multiply
486,515,232,025.70x = 729,772,848,038.55 × 486,515,232,025.70 - Step 4: Simplify right side
486,515,232,025.70x = 355,045,606,489,531,072,118,784 - Step 5: Solve for x
x = 355,045,606,489,531,072,118,784/486,515,232,025.70 - Step 6: Final answer
x = 729,772,848,038.55
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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.