Finding the Fourth Proportional to 2,165,244,848.57, 3,249,233,501.79 and 921,673,282.23
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Solution
The fourth proportional to 2,165,244,848.57, 3,249,233,501.79 and 921,673,282.23 is: 1,383,091,481.92
Step by Step Solution
- Step 1: Write the proportion equation
2,165,244,848.57 : 3,249,233,501.79 = 921,673,282.23 : x - Step 2: Convert to fraction form
2,165,244,848.57/3,249,233,501.79 = 921,673,282.23/x - Step 3: Cross multiply
2,165,244,848.57x = 3,249,233,501.79 × 921,673,282.23 - Step 4: Simplify right side
2,165,244,848.57x = 2,994,731,706,326,466,048 - Step 5: Solve for x
x = 2,994,731,706,326,466,048/2,165,244,848.57 - Step 6: Final answer
x = 1,383,091,481.92
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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.