Finding the Fourth Proportional to 1,926,154,220.10, 2,889,231,330.15 and 1,435,656,581.70
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Solution
The fourth proportional to 1,926,154,220.10, 2,889,231,330.15 and 1,435,656,581.70 is: 2,153,484,872.55
Step by Step Solution
- Step 1: Write the proportion equation
1,926,154,220.10 : 2,889,231,330.15 = 1,435,656,581.70 : x - Step 2: Convert to fraction form
1,926,154,220.10/2,889,231,330.15 = 1,435,656,581.70/x - Step 3: Cross multiply
1,926,154,220.10x = 2,889,231,330.15 × 1,435,656,581.70 - Step 4: Simplify right side
1,926,154,220.10x = 4,147,943,975,183,693,312 - Step 5: Solve for x
x = 4,147,943,975,183,693,312/1,926,154,220.10 - Step 6: Final answer
x = 2,153,484,872.55
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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.