Finding the Fourth Proportional to 1,776,824,019.85, 2,454,571,216.14 and 1,419,122,162.99
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Solution
The fourth proportional to 1,776,824,019.85, 2,454,571,216.14 and 1,419,122,162.99 is: 1,960,428,480.56
Step by Step Solution
- Step 1: Write the proportion equation
1,776,824,019.85 : 2,454,571,216.14 = 1,419,122,162.99 : x - Step 2: Convert to fraction form
1,776,824,019.85/2,454,571,216.14 = 1,419,122,162.99/x - Step 3: Cross multiply
1,776,824,019.85x = 2,454,571,216.14 × 1,419,122,162.99 - Step 4: Simplify right side
1,776,824,019.85x = 3,483,336,413,461,591,552 - Step 5: Solve for x
x = 3,483,336,413,461,591,552/1,776,824,019.85 - Step 6: Final answer
x = 1,960,428,480.56
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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.