Finding the Fourth Proportional to 22,465,327,138.24, 31,003,125,980.68 and 12,440,821,985.36
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Solution
The fourth proportional to 22,465,327,138.24, 31,003,125,980.68 and 12,440,821,985.36 is: 17,168,874,013.80
Step by Step Solution
- Step 1: Write the proportion equation
22,465,327,138.24 : 31,003,125,980.68 = 12,440,821,985.36 : x - Step 2: Convert to fraction form
22,465,327,138.24/31,003,125,980.68 = 12,440,821,985.36/x - Step 3: Cross multiply
22,465,327,138.24x = 31,003,125,980.68 × 12,440,821,985.36 - Step 4: Simplify right side
22,465,327,138.24x = 385,704,371,315,329,597,440 - Step 5: Solve for x
x = 385,704,371,315,329,597,440/22,465,327,138.24 - Step 6: Final answer
x = 17,168,874,013.80
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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.