Finding the Fourth Proportional to 168,006,774,115.80, 252,010,161,173.70 and 168,006,774,115.80
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Solution
The fourth proportional to 168,006,774,115.80, 252,010,161,173.70 and 168,006,774,115.80 is: 252,010,161,173.70
Step by Step Solution
- Step 1: Write the proportion equation
168,006,774,115.80 : 252,010,161,173.70 = 168,006,774,115.80 : x - Step 2: Convert to fraction form
168,006,774,115.80/252,010,161,173.70 = 168,006,774,115.80/x - Step 3: Cross multiply
168,006,774,115.80x = 252,010,161,173.70 × 168,006,774,115.80 - Step 4: Simplify right side
168,006,774,115.80x = 42,339,414,223,196,168,126,464 - Step 5: Solve for x
x = 42,339,414,223,196,168,126,464/168,006,774,115.80 - Step 6: Final answer
x = 252,010,161,173.70
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Double scale
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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.