Finding the Fourth Proportional to 9,889,119,983.80, 14,833,679,975.70 and 3,676,999,846.60
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Solution
The fourth proportional to 9,889,119,983.80, 14,833,679,975.70 and 3,676,999,846.60 is: 5,515,499,769.90
Step by Step Solution
- Step 1: Write the proportion equation
9,889,119,983.80 : 14,833,679,975.70 = 3,676,999,846.60 : x - Step 2: Convert to fraction form
9,889,119,983.80/14,833,679,975.70 = 3,676,999,846.60/x - Step 3: Cross multiply
9,889,119,983.80x = 14,833,679,975.70 × 3,676,999,846.60 - Step 4: Simplify right side
9,889,119,983.80x = 54,543,438,995,162,390,528 - Step 5: Solve for x
x = 54,543,438,995,162,390,528/9,889,119,983.80 - Step 6: Final answer
x = 5,515,499,769.90
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Similar ratio
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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.