Finding the Fourth Proportional to 19,182,779,055, 26,470,891,234.08 and 11,153,549,958.12
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Solution
The fourth proportional to 19,182,779,055, 26,470,891,234.08 and 11,153,549,958.12 is: 15,391,117,573.15
Step by Step Solution
- Step 1: Write the proportion equation
19,182,779,055 : 26,470,891,234.08 = 11,153,549,958.12 : x - Step 2: Convert to fraction form
19,182,779,055/26,470,891,234.08 = 11,153,549,958.12/x - Step 3: Cross multiply
19,182,779,055x = 26,470,891,234.08 × 11,153,549,958.12 - Step 4: Simplify right side
19,182,779,055x = 295,244,407,815,272,071,168 - Step 5: Solve for x
x = 295,244,407,815,272,071,168/19,182,779,055 - Step 6: Final answer
x = 15,391,117,573.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.