Finding the Fourth Proportional to 728,136,772,955.75, 1,092,205,159,433.70 and 728,136,772,955.75
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Solution
The fourth proportional to 728,136,772,955.75, 1,092,205,159,433.70 and 728,136,772,955.75 is: 1,092,205,159,433.70
Step by Step Solution
- Step 1: Write the proportion equation
728,136,772,955.75 : 1,092,205,159,433.70 = 728,136,772,955.75 : x - Step 2: Convert to fraction form
728,136,772,955.75/1,092,205,159,433.70 = 728,136,772,955.75/x - Step 3: Cross multiply
728,136,772,955.75x = 1,092,205,159,433.70 × 728,136,772,955.75 - Step 4: Simplify right side
728,136,772,955.75x = 795,274,740,195,674,655,031,296 - Step 5: Solve for x
x = 795,274,740,195,674,655,031,296/728,136,772,955.75 - Step 6: Final answer
x = 1,092,205,159,433.70
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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.