Finding the Fourth Proportional to 5,521,775,181.29, 7,620,237,788.67 and 3,265,648,703.99
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Solution
The fourth proportional to 5,521,775,181.29, 7,620,237,788.67 and 3,265,648,703.99 is: 4,506,706,419.88
Step by Step Solution
- Step 1: Write the proportion equation
5,521,775,181.29 : 7,620,237,788.67 = 3,265,648,703.99 : x - Step 2: Convert to fraction form
5,521,775,181.29/7,620,237,788.67 = 3,265,648,703.99/x - Step 3: Cross multiply
5,521,775,181.29x = 7,620,237,788.67 × 3,265,648,703.99 - Step 4: Simplify right side
5,521,775,181.29x = 24,885,019,658,665,807,872 - Step 5: Solve for x
x = 24,885,019,658,665,807,872/5,521,775,181.29 - Step 6: Final answer
x = 4,506,706,419.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.