Finding the Fourth Proportional to 23,318,356,917,405, 32,180,344,079,540 and 12,913,214,255,392
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Solution
The fourth proportional to 23,318,356,917,405, 32,180,344,079,540 and 12,913,214,255,392 is: 17,820,795,838,370.78
Step by Step Solution
- Step 1: Write the proportion equation
23,318,356,917,405 : 32,180,344,079,540 = 12,913,214,255,392 : x - Step 2: Convert to fraction form
23,318,356,917,405/32,180,344,079,540 = 12,913,214,255,392/x - Step 3: Cross multiply
23,318,356,917,405x = 32,180,344,079,540 × 12,913,214,255,392 - Step 4: Simplify right side
23,318,356,917,405x = 415,551,677,911,335,487,626,280,960 - Step 5: Solve for x
x = 415,551,677,911,335,487,626,280,960/23,318,356,917,405 - Step 6: Final answer
x = 17,820,795,838,370.78
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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.