Finding the Fourth Proportional to 8,540,623,701.48, 12,811,781,497.51 and 3,157,675,761.09
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Solution
The fourth proportional to 8,540,623,701.48, 12,811,781,497.51 and 3,157,675,761.09 is: 4,736,826,408.12
Step by Step Solution
- Step 1: Write the proportion equation
8,540,623,701.48 : 12,811,781,497.51 = 3,157,675,761.09 : x - Step 2: Convert to fraction form
8,540,623,701.48/12,811,781,497.51 = 3,157,675,761.09/x - Step 3: Cross multiply
8,540,623,701.48x = 12,811,781,497.51 × 3,157,675,761.09 - Step 4: Simplify right side
8,540,623,701.48x = 40,455,451,891,027,255,296 - Step 5: Solve for x
x = 40,455,451,891,027,255,296/8,540,623,701.48 - Step 6: Final answer
x = 4,736,826,408.12
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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.