Finding the Fourth Proportional to 728,136,772,953.70, 1,092,205,159,430.60 and 728,136,772,953.70
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Solution
The fourth proportional to 728,136,772,953.70, 1,092,205,159,430.60 and 728,136,772,953.70 is: 1,092,205,159,430.60
Step by Step Solution
- Step 1: Write the proportion equation
728,136,772,953.70 : 1,092,205,159,430.60 = 728,136,772,953.70 : x - Step 2: Convert to fraction form
728,136,772,953.70/1,092,205,159,430.60 = 728,136,772,953.70/x - Step 3: Cross multiply
728,136,772,953.70x = 1,092,205,159,430.60 × 728,136,772,953.70 - Step 4: Simplify right side
728,136,772,953.70x = 795,274,740,191,178,495,361,024 - Step 5: Solve for x
x = 795,274,740,191,178,495,361,024/728,136,772,953.70 - Step 6: Final answer
x = 1,092,205,159,430.60
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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.