Finding the Fourth Proportional to 1,927,030,879.67, 2,659,302,613.68 and 1,091,655,450.26
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Solution
The fourth proportional to 1,927,030,879.67, 2,659,302,613.68 and 1,091,655,450.26 is: 1,506,484,521.21
Step by Step Solution
- Step 1: Write the proportion equation
1,927,030,879.67 : 2,659,302,613.68 = 1,091,655,450.26 : x - Step 2: Convert to fraction form
1,927,030,879.67/2,659,302,613.68 = 1,091,655,450.26/x - Step 3: Cross multiply
1,927,030,879.67x = 2,659,302,613.68 × 1,091,655,450.26 - Step 4: Simplify right side
1,927,030,879.67x = 2,903,042,192,114,435,072 - Step 5: Solve for x
x = 2,903,042,192,114,435,072/1,927,030,879.67 - Step 6: Final answer
x = 1,506,484,521.21
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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.