Finding the Fourth Proportional to 79,863,260,376.51, 119,802,254,895.79 and 26,080,677,841.59
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Solution
The fourth proportional to 79,863,260,376.51, 119,802,254,895.79 and 26,080,677,841.59 is: 39,123,421,707.34
Step by Step Solution
- Step 1: Write the proportion equation
79,863,260,376.51 : 119,802,254,895.79 = 26,080,677,841.59 : x - Step 2: Convert to fraction form
79,863,260,376.51/119,802,254,895.79 = 26,080,677,841.59/x - Step 3: Cross multiply
79,863,260,376.51x = 119,802,254,895.79 × 26,080,677,841.59 - Step 4: Simplify right side
79,863,260,376.51x = 3,124,524,014,633,386,770,432 - Step 5: Solve for x
x = 3,124,524,014,633,386,770,432/79,863,260,376.51 - Step 6: Final answer
x = 39,123,421,707.34
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1.5x scale
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.