Finding the Fourth Proportional to 73,252,829,497.30, 109,879,244,245.95 and 18,107,676,985.30
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Solution
The fourth proportional to 73,252,829,497.30, 109,879,244,245.95 and 18,107,676,985.30 is: 27,161,515,477.95
Step by Step Solution
- Step 1: Write the proportion equation
73,252,829,497.30 : 109,879,244,245.95 = 18,107,676,985.30 : x - Step 2: Convert to fraction form
73,252,829,497.30/109,879,244,245.95 = 18,107,676,985.30/x - Step 3: Cross multiply
73,252,829,497.30x = 109,879,244,245.95 × 18,107,676,985.30 - Step 4: Simplify right side
73,252,829,497.30x = 1,989,657,862,194,546,081,792 - Step 5: Solve for x
x = 1,989,657,862,194,546,081,792/73,252,829,497.30 - Step 6: Final answer
x = 27,161,515,477.95
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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.