Finding the Fourth Proportional to 18,372,972,201.30, 27,559,458,301.95 and 18,372,972,201.30
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Solution
The fourth proportional to 18,372,972,201.30, 27,559,458,301.95 and 18,372,972,201.30 is: 27,559,458,301.95
Step by Step Solution
- Step 1: Write the proportion equation
18,372,972,201.30 : 27,559,458,301.95 = 18,372,972,201.30 : x - Step 2: Convert to fraction form
18,372,972,201.30/27,559,458,301.95 = 18,372,972,201.30/x - Step 3: Cross multiply
18,372,972,201.30x = 27,559,458,301.95 × 18,372,972,201.30 - Step 4: Simplify right side
18,372,972,201.30x = 506,349,161,264,613,818,368 - Step 5: Solve for x
x = 506,349,161,264,613,818,368/18,372,972,201.30 - Step 6: Final answer
x = 27,559,458,301.95
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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.