Finding the Fourth Proportional to 18,592,617,809.70, 27,888,926,714.56 and 18,592,617,809.70
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Solution
The fourth proportional to 18,592,617,809.70, 27,888,926,714.56 and 18,592,617,809.70 is: 27,888,926,714.56
Step by Step Solution
- Step 1: Write the proportion equation
18,592,617,809.70 : 27,888,926,714.56 = 18,592,617,809.70 : x - Step 2: Convert to fraction form
18,592,617,809.70/27,888,926,714.56 = 18,592,617,809.70/x - Step 3: Cross multiply
18,592,617,809.70x = 27,888,926,714.56 × 18,592,617,809.70 - Step 4: Simplify right side
18,592,617,809.70x = 518,528,155,526,546,391,040 - Step 5: Solve for x
x = 518,528,155,526,546,391,040/18,592,617,809.70 - Step 6: Final answer
x = 27,888,926,714.56
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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.