Finding the Fourth Proportional to 1,471,550,435.51, 2,207,333,623.66 and 436,420,285.07
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Solution
The fourth proportional to 1,471,550,435.51, 2,207,333,623.66 and 436,420,285.07 is: 654,632,791.39
Step by Step Solution
- Step 1: Write the proportion equation
1,471,550,435.51 : 2,207,333,623.66 = 436,420,285.07 : x - Step 2: Convert to fraction form
1,471,550,435.51/2,207,333,623.66 = 436,420,285.07/x - Step 3: Cross multiply
1,471,550,435.51x = 2,207,333,623.66 × 436,420,285.07 - Step 4: Simplify right side
1,471,550,435.51x = 963,325,169,270,165,504 - Step 5: Solve for x
x = 963,325,169,270,165,504/1,471,550,435.51 - Step 6: Final answer
x = 654,632,791.39
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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.