Finding the Fourth Proportional to 20,057,547,554.64, 27,670,829,652.36 and 12,526,093,423.44
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Solution
The fourth proportional to 20,057,547,554.64, 27,670,829,652.36 and 12,526,093,423.44 is: 17,280,646,917.84
Step by Step Solution
- Step 1: Write the proportion equation
20,057,547,554.64 : 27,670,829,652.36 = 12,526,093,423.44 : x - Step 2: Convert to fraction form
20,057,547,554.64/27,670,829,652.36 = 12,526,093,423.44/x - Step 3: Cross multiply
20,057,547,554.64x = 27,670,829,652.36 × 12,526,093,423.44 - Step 4: Simplify right side
20,057,547,554.64x = 346,607,397,329,555,161,088 - Step 5: Solve for x
x = 346,607,397,329,555,161,088/20,057,547,554.64 - Step 6: Final answer
x = 17,280,646,917.84
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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.