Finding the Fourth Proportional to 4,539,131,837.10, 6,808,697,755.65 and 2,214,608,903.10
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Solution
The fourth proportional to 4,539,131,837.10, 6,808,697,755.65 and 2,214,608,903.10 is: 3,321,913,354.65
Step by Step Solution
- Step 1: Write the proportion equation
4,539,131,837.10 : 6,808,697,755.65 = 2,214,608,903.10 : x - Step 2: Convert to fraction form
4,539,131,837.10/6,808,697,755.65 = 2,214,608,903.10/x - Step 3: Cross multiply
4,539,131,837.10x = 6,808,697,755.65 × 2,214,608,903.10 - Step 4: Simplify right side
4,539,131,837.10x = 15,078,602,668,179,476,480 - Step 5: Solve for x
x = 15,078,602,668,179,476,480/4,539,131,837.10 - Step 6: Final answer
x = 3,321,913,354.65
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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.