Finding the Fourth Proportional to 19,415,589,590.91, 26,785,889,797.46 and 11,276,007,350.07
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Solution
The fourth proportional to 19,415,589,590.91, 26,785,889,797.46 and 11,276,007,350.07 is: 15,556,462,440.66
Step by Step Solution
- Step 1: Write the proportion equation
19,415,589,590.91 : 26,785,889,797.46 = 11,276,007,350.07 : x - Step 2: Convert to fraction form
19,415,589,590.91/26,785,889,797.46 = 11,276,007,350.07/x - Step 3: Cross multiply
19,415,589,590.91x = 26,785,889,797.46 × 11,276,007,350.07 - Step 4: Simplify right side
19,415,589,590.91x = 302,037,890,234,267,598,848 - Step 5: Solve for x
x = 302,037,890,234,267,598,848/19,415,589,590.91 - Step 6: Final answer
x = 15,556,462,440.66
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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.