Finding the Fourth Proportional to 2,877,878,302.74, 4,317,229,243.41 and 886,088,889.21
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Solution
The fourth proportional to 2,877,878,302.74, 4,317,229,243.41 and 886,088,889.21 is: 1,329,260,122.33
Step by Step Solution
- Step 1: Write the proportion equation
2,877,878,302.74 : 4,317,229,243.41 = 886,088,889.21 : x - Step 2: Convert to fraction form
2,877,878,302.74/4,317,229,243.41 = 886,088,889.21/x - Step 3: Cross multiply
2,877,878,302.74x = 4,317,229,243.41 × 886,088,889.21 - Step 4: Simplify right side
2,877,878,302.74x = 3,825,448,864,758,095,872 - Step 5: Solve for x
x = 3,825,448,864,758,095,872/2,877,878,302.74 - Step 6: Final answer
x = 1,329,260,122.33
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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.