Finding the Fourth Proportional to 66,961,566,233.20, 100,442,349,349.80 and 27,186,396,029.20
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Solution
The fourth proportional to 66,961,566,233.20, 100,442,349,349.80 and 27,186,396,029.20 is: 40,779,594,043.80
Step by Step Solution
- Step 1: Write the proportion equation
66,961,566,233.20 : 100,442,349,349.80 = 27,186,396,029.20 : x - Step 2: Convert to fraction form
66,961,566,233.20/100,442,349,349.80 = 27,186,396,029.20/x - Step 3: Cross multiply
66,961,566,233.20x = 100,442,349,349.80 × 27,186,396,029.20 - Step 4: Simplify right side
66,961,566,233.20x = 2,730,665,487,526,922,289,152 - Step 5: Solve for x
x = 2,730,665,487,526,922,289,152/66,961,566,233.20 - Step 6: Final answer
x = 40,779,594,043.80
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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.