Finding the Fourth Proportional to 742,699,552.05, 1,114,049,328.08 and 484,419,226.05
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Solution
The fourth proportional to 742,699,552.05, 1,114,049,328.08 and 484,419,226.05 is: 726,628,839.08
Step by Step Solution
- Step 1: Write the proportion equation
742,699,552.05 : 1,114,049,328.08 = 484,419,226.05 : x - Step 2: Convert to fraction form
742,699,552.05/1,114,049,328.08 = 484,419,226.05/x - Step 3: Cross multiply
742,699,552.05x = 1,114,049,328.08 × 484,419,226.05 - Step 4: Simplify right side
742,699,552.05x = 539,666,913,287,614,080 - Step 5: Solve for x
x = 539,666,913,287,614,080/742,699,552.05 - Step 6: Final answer
x = 726,628,839.08
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Double scale
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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.