Finding the Fourth Proportional to 1,093,577,485.16, 1,508,974,586.44 and 664,191,330.03
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Solution
The fourth proportional to 1,093,577,485.16, 1,508,974,586.44 and 664,191,330.03 is: 916,485,435.32
Step by Step Solution
- Step 1: Write the proportion equation
1,093,577,485.16 : 1,508,974,586.44 = 664,191,330.03 : x - Step 2: Convert to fraction form
1,093,577,485.16/1,508,974,586.44 = 664,191,330.03/x - Step 3: Cross multiply
1,093,577,485.16x = 1,508,974,586.44 × 664,191,330.03 - Step 4: Simplify right side
1,093,577,485.16x = 1,002,247,837,547,392,256 - Step 5: Solve for x
x = 1,002,247,837,547,392,256/1,093,577,485.16 - Step 6: Final answer
x = 916,485,435.32
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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.