Finding the Fourth Proportional to 71,822,960,888.15, 99,099,246,841.63 and 42,881,528,355.05
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Solution
The fourth proportional to 71,822,960,888.15, 99,099,246,841.63 and 42,881,528,355.05 is: 59,166,694,199.94
Step by Step Solution
- Step 1: Write the proportion equation
71,822,960,888.15 : 99,099,246,841.63 = 42,881,528,355.05 : x - Step 2: Convert to fraction form
71,822,960,888.15/99,099,246,841.63 = 42,881,528,355.05/x - Step 3: Cross multiply
71,822,960,888.15x = 99,099,246,841.63 × 42,881,528,355.05 - Step 4: Simplify right side
71,822,960,888.15x = 4,249,527,163,403,568,676,864 - Step 5: Solve for x
x = 4,249,527,163,403,568,676,864/71,822,960,888.15 - Step 6: Final answer
x = 59,166,694,199.94
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1.5x scale
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.