Finding the Fourth Proportional to 8,328,150,947.08, 12,492,255,619.98 and 2,117,316,901.96
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Solution
The fourth proportional to 8,328,150,947.08, 12,492,255,619.98 and 2,117,316,901.96 is: 3,175,982,776.47
Step by Step Solution
- Step 1: Write the proportion equation
8,328,150,947.08 : 12,492,255,619.98 = 2,117,316,901.96 : x - Step 2: Convert to fraction form
8,328,150,947.08/12,492,255,619.98 = 2,117,316,901.96/x - Step 3: Cross multiply
8,328,150,947.08x = 12,492,255,619.98 × 2,117,316,901.96 - Step 4: Simplify right side
8,328,150,947.08x = 26,450,063,967,788,453,888 - Step 5: Solve for x
x = 26,450,063,967,788,453,888/8,328,150,947.08 - Step 6: Final answer
x = 3,175,982,776.47
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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.