Finding the Fourth Proportional to 648,660,331,852.08, 972,309,393,544.68 and 218,247,999,335.88
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Solution
The fourth proportional to 648,660,331,852.08, 972,309,393,544.68 and 218,247,999,335.88 is: 327,142,834,942.16
Step by Step Solution
- Step 1: Write the proportion equation
648,660,331,852.08 : 972,309,393,544.68 = 218,247,999,335.88 : x - Step 2: Convert to fraction form
648,660,331,852.08/972,309,393,544.68 = 218,247,999,335.88/x - Step 3: Cross multiply
648,660,331,852.08x = 972,309,393,544.68 × 218,247,999,335.88 - Step 4: Simplify right side
648,660,331,852.08x = 212,204,579,876,609,214,906,368 - Step 5: Solve for x
x = 212,204,579,876,609,214,906,368/648,660,331,852.08 - Step 6: Final answer
x = 327,142,834,942.16
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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.