Finding the Fourth Proportional to 12,846,569,657,411, 19,269,854,486,115 and 12,846,569,657,411
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Solution
The fourth proportional to 12,846,569,657,411, 19,269,854,486,115 and 12,846,569,657,411 is: 19,269,854,486,115
Step by Step Solution
- Step 1: Write the proportion equation
12,846,569,657,411 : 19,269,854,486,115 = 12,846,569,657,411 : x - Step 2: Convert to fraction form
12,846,569,657,411/19,269,854,486,115 = 12,846,569,657,411/x - Step 3: Cross multiply
12,846,569,657,411x = 19,269,854,486,115 × 12,846,569,657,411 - Step 4: Simplify right side
12,846,569,657,411x = 247,551,527,944,050,209,439,350,784 - Step 5: Solve for x
x = 247,551,527,944,050,209,439,350,784/12,846,569,657,411 - Step 6: Final answer
x = 19,269,854,486,115
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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.