Finding the Fourth Proportional to 5,027,024,379.24, 6,937,293,561.12 and 2,913,706,115.10
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Solution
The fourth proportional to 5,027,024,379.24, 6,937,293,561.12 and 2,913,706,115.10 is: 4,020,914,391.18
Step by Step Solution
- Step 1: Write the proportion equation
5,027,024,379.24 : 6,937,293,561.12 = 2,913,706,115.10 : x - Step 2: Convert to fraction form
5,027,024,379.24/6,937,293,561.12 = 2,913,706,115.10/x - Step 3: Cross multiply
5,027,024,379.24x = 6,937,293,561.12 × 2,913,706,115.10 - Step 4: Simplify right side
5,027,024,379.24x = 20,213,234,671,279,198,208 - Step 5: Solve for x
x = 20,213,234,671,279,198,208/5,027,024,379.24 - Step 6: Final answer
x = 4,020,914,391.18
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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.