Finding the Fourth Proportional to 5,461,889,461.84, 8,189,516,560.12 and 2,141,726,428.97
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Solution
The fourth proportional to 5,461,889,461.84, 8,189,516,560.12 and 2,141,726,428.97 is: 3,211,288,727.06
Step by Step Solution
- Step 1: Write the proportion equation
5,461,889,461.84 : 8,189,516,560.12 = 2,141,726,428.97 : x - Step 2: Convert to fraction form
5,461,889,461.84/8,189,516,560.12 = 2,141,726,428.97/x - Step 3: Cross multiply
5,461,889,461.84x = 8,189,516,560.12 × 2,141,726,428.97 - Step 4: Simplify right side
5,461,889,461.84x = 17,539,704,057,281,304,576 - Step 5: Solve for x
x = 17,539,704,057,281,304,576/5,461,889,461.84 - Step 6: Final answer
x = 3,211,288,727.06
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1.5x scale
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.