Finding the Fourth Proportional to 2,499,220,229.03, 3,448,951,916.81 and 1,427,665,407.29
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Solution
The fourth proportional to 2,499,220,229.03, 3,448,951,916.81 and 1,427,665,407.29 is: 1,970,194,257.32
Step by Step Solution
- Step 1: Write the proportion equation
2,499,220,229.03 : 3,448,951,916.81 = 1,427,665,407.29 : x - Step 2: Convert to fraction form
2,499,220,229.03/3,448,951,916.81 = 1,427,665,407.29/x - Step 3: Cross multiply
2,499,220,229.03x = 3,448,951,916.81 × 1,427,665,407.29 - Step 4: Simplify right side
2,499,220,229.03x = 4,923,949,343,011,791,872 - Step 5: Solve for x
x = 4,923,949,343,011,791,872/2,499,220,229.03 - Step 6: Final answer
x = 1,970,194,257.32
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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.