Finding the Fourth Proportional to 1,969,651,416.28, 2,718,183,390.30 and 1,077,557,447.96
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Solution
The fourth proportional to 1,969,651,416.28, 2,718,183,390.30 and 1,077,557,447.96 is: 1,487,064,529.76
Step by Step Solution
- Step 1: Write the proportion equation
1,969,651,416.28 : 2,718,183,390.30 = 1,077,557,447.96 : x - Step 2: Convert to fraction form
1,969,651,416.28/2,718,183,390.30 = 1,077,557,447.96/x - Step 3: Cross multiply
1,969,651,416.28x = 2,718,183,390.30 × 1,077,557,447.96 - Step 4: Simplify right side
1,969,651,416.28x = 2,928,998,757,138,929,152 - Step 5: Solve for x
x = 2,928,998,757,138,929,152/1,969,651,416.28 - Step 6: Final answer
x = 1,487,064,529.76
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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.