Finding the Fourth Proportional to 66,578,566,458.96, 91,888,369,809.45 and 52,411,998,194.67
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Solution
The fourth proportional to 66,578,566,458.96, 91,888,369,809.45 and 52,411,998,194.67 is: 72,336,388,851.70
Step by Step Solution
- Step 1: Write the proportion equation
66,578,566,458.96 : 91,888,369,809.45 = 52,411,998,194.67 : x - Step 2: Convert to fraction form
66,578,566,458.96/91,888,369,809.45 = 52,411,998,194.67/x - Step 3: Cross multiply
66,578,566,458.96x = 91,888,369,809.45 × 52,411,998,194.67 - Step 4: Simplify right side
66,578,566,458.96x = 4,816,053,072,564,062,257,152 - Step 5: Solve for x
x = 4,816,053,072,564,062,257,152/66,578,566,458.96 - Step 6: Final answer
x = 72,336,388,851.70
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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.