Finding the Fourth Proportional to 2,001,728,992.10, 2,762,385,965.19 and 1,109,653,458.11
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Solution
The fourth proportional to 2,001,728,992.10, 2,762,385,965.19 and 1,109,653,458.11 is: 1,531,321,747.84
Step by Step Solution
- Step 1: Write the proportion equation
2,001,728,992.10 : 2,762,385,965.19 = 1,109,653,458.11 : x - Step 2: Convert to fraction form
2,001,728,992.10/2,762,385,965.19 = 1,109,653,458.11/x - Step 3: Cross multiply
2,001,728,992.10x = 2,762,385,965.19 × 1,109,653,458.11 - Step 4: Simplify right side
2,001,728,992.10x = 3,065,291,138,893,801,984 - Step 5: Solve for x
x = 3,065,291,138,893,801,984/2,001,728,992.10 - Step 6: Final answer
x = 1,531,321,747.84
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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.