Finding the Fourth Proportional to 804,944,654.83, 1,207,276,899.04 and 259,686,189.55
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Solution
The fourth proportional to 804,944,654.83, 1,207,276,899.04 and 259,686,189.55 is: 389,484,091.55
Step by Step Solution
- Step 1: Write the proportion equation
804,944,654.83 : 1,207,276,899.04 = 259,686,189.55 : x - Step 2: Convert to fraction form
804,944,654.83/1,207,276,899.04 = 259,686,189.55/x - Step 3: Cross multiply
804,944,654.83x = 1,207,276,899.04 × 259,686,189.55 - Step 4: Simplify right side
804,944,654.83x = 313,513,137,636,102,848 - Step 5: Solve for x
x = 313,513,137,636,102,848/804,944,654.83 - Step 6: Final answer
x = 389,484,091.55
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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.