Finding the Fourth Proportional to 4,387,154,192.72, 6,535,133,647.78 and 4,149,531,568.88
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Solution
The fourth proportional to 4,387,154,192.72, 6,535,133,647.78 and 4,149,531,568.88 is: 6,181,169,429.45
Step by Step Solution
- Step 1: Write the proportion equation
4,387,154,192.72 : 6,535,133,647.78 = 4,149,531,568.88 : x - Step 2: Convert to fraction form
4,387,154,192.72/6,535,133,647.78 = 4,149,531,568.88/x - Step 3: Cross multiply
4,387,154,192.72x = 6,535,133,647.78 × 4,149,531,568.88 - Step 4: Simplify right side
4,387,154,192.72x = 27,117,743,378,313,019,392 - Step 5: Solve for x
x = 27,117,743,378,313,019,392/4,387,154,192.72 - Step 6: Final answer
x = 6,181,169,429.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.