Finding the Fourth Proportional to 74,560,233,342.73, 102,893,118,077.96 and 40,265,936,599.99
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Solution
The fourth proportional to 74,560,233,342.73, 102,893,118,077.96 and 40,265,936,599.99 is: 55,566,990,382.90
Step by Step Solution
- Step 1: Write the proportion equation
74,560,233,342.73 : 102,893,118,077.96 = 40,265,936,599.99 : x - Step 2: Convert to fraction form
74,560,233,342.73/102,893,118,077.96 = 40,265,936,599.99/x - Step 3: Cross multiply
74,560,233,342.73x = 102,893,118,077.96 × 40,265,936,599.99 - Step 4: Simplify right side
74,560,233,342.73x = 4,143,087,769,102,422,376,448 - Step 5: Solve for x
x = 4,143,087,769,102,422,376,448/74,560,233,342.73 - Step 6: Final answer
x = 55,566,990,382.90
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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.