Finding the Fourth Proportional to 6,514,774,577.40, 9,772,161,866.10 and 3,408,156,823.80
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Solution
The fourth proportional to 6,514,774,577.40, 9,772,161,866.10 and 3,408,156,823.80 is: 5,112,235,235.70
Step by Step Solution
- Step 1: Write the proportion equation
6,514,774,577.40 : 9,772,161,866.10 = 3,408,156,823.80 : x - Step 2: Convert to fraction form
6,514,774,577.40/9,772,161,866.10 = 3,408,156,823.80/x - Step 3: Cross multiply
6,514,774,577.40x = 9,772,161,866.10 × 3,408,156,823.80 - Step 4: Simplify right side
6,514,774,577.40x = 33,305,060,147,226,861,568 - Step 5: Solve for x
x = 33,305,060,147,226,861,568/6,514,774,577.40 - Step 6: Final answer
x = 5,112,235,235.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.