Finding the Fourth Proportional to 66,700,393,849.84, 92,046,543,512.81 and 38,154,049,098.09
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Solution
The fourth proportional to 66,700,393,849.84, 92,046,543,512.81 and 38,154,049,098.09 is: 52,652,587,755.38
Step by Step Solution
- Step 1: Write the proportion equation
66,700,393,849.84 : 92,046,543,512.81 = 38,154,049,098.09 : x - Step 2: Convert to fraction form
66,700,393,849.84/92,046,543,512.81 = 38,154,049,098.09/x - Step 3: Cross multiply
66,700,393,849.84x = 92,046,543,512.81 × 38,154,049,098.09 - Step 4: Simplify right side
66,700,393,849.84x = 3,511,948,340,497,230,069,760 - Step 5: Solve for x
x = 3,511,948,340,497,230,069,760/66,700,393,849.84 - Step 6: Final answer
x = 52,652,587,755.38
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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.