Finding the Fourth Proportional to 1,776,824,017.85, 2,454,571,213.38 and 1,419,122,160.99
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Solution
The fourth proportional to 1,776,824,017.85, 2,454,571,213.38 and 1,419,122,160.99 is: 1,960,428,477.81
Step by Step Solution
- Step 1: Write the proportion equation
1,776,824,017.85 : 2,454,571,213.38 = 1,419,122,160.99 : x - Step 2: Convert to fraction form
1,776,824,017.85/2,454,571,213.38 = 1,419,122,160.99/x - Step 3: Cross multiply
1,776,824,017.85x = 2,454,571,213.38 × 1,419,122,160.99 - Step 4: Simplify right side
1,776,824,017.85x = 3,483,336,404,635,672,064 - Step 5: Solve for x
x = 3,483,336,404,635,672,064/1,776,824,017.85 - Step 6: Final answer
x = 1,960,428,477.81
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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.