Finding the Fourth Proportional to 3,619,171,909.70, 5,428,757,864.55 and 2,241,676,837.70
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Solution
The fourth proportional to 3,619,171,909.70, 5,428,757,864.55 and 2,241,676,837.70 is: 3,362,515,256.55
Step by Step Solution
- Step 1: Write the proportion equation
3,619,171,909.70 : 5,428,757,864.55 = 2,241,676,837.70 : x - Step 2: Convert to fraction form
3,619,171,909.70/5,428,757,864.55 = 2,241,676,837.70/x - Step 3: Cross multiply
3,619,171,909.70x = 5,428,757,864.55 × 2,241,676,837.70 - Step 4: Simplify right side
3,619,171,909.70x = 12,169,520,762,443,448,320 - Step 5: Solve for x
x = 12,169,520,762,443,448,320/3,619,171,909.70 - Step 6: Final answer
x = 3,362,515,256.55
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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.