Finding the Fourth Proportional to 22,128,526,212.84, 30,537,457,548.12 and 11,967,253,860.96
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Solution
The fourth proportional to 22,128,526,212.84, 30,537,457,548.12 and 11,967,253,860.96 is: 16,514,859,744.01
Step by Step Solution
- Step 1: Write the proportion equation
22,128,526,212.84 : 30,537,457,548.12 = 11,967,253,860.96 : x - Step 2: Convert to fraction form
22,128,526,212.84/30,537,457,548.12 = 11,967,253,860.96/x - Step 3: Cross multiply
22,128,526,212.84x = 30,537,457,548.12 × 11,967,253,860.96 - Step 4: Simplify right side
22,128,526,212.84x = 365,449,506,746,641,154,048 - Step 5: Solve for x
x = 365,449,506,746,641,154,048/22,128,526,212.84 - Step 6: Final answer
x = 16,514,859,744.01
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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.