Finding the Fourth Proportional to 3,703,649,244.77, 5,115,277,849.64 and 2,439,142,859.63
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Solution
The fourth proportional to 3,703,649,244.77, 5,115,277,849.64 and 2,439,142,859.63 is: 3,368,810,764.02
Step by Step Solution
- Step 1: Write the proportion equation
3,703,649,244.77 : 5,115,277,849.64 = 2,439,142,859.63 : x - Step 2: Convert to fraction form
3,703,649,244.77/5,115,277,849.64 = 2,439,142,859.63/x - Step 3: Cross multiply
3,703,649,244.77x = 5,115,277,849.64 × 2,439,142,859.63 - Step 4: Simplify right side
3,703,649,244.77x = 12,476,893,441,935,134,720 - Step 5: Solve for x
x = 12,476,893,441,935,134,720/3,703,649,244.77 - Step 6: Final answer
x = 3,368,810,764.02
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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.