Finding the Fourth Proportional to 2,486,814,923.88, 3,432,105,557.28 and 1,415,378,770.92
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Solution
The fourth proportional to 2,486,814,923.88, 3,432,105,557.28 and 1,415,378,770.92 is: 1,953,393,997.55
Step by Step Solution
- Step 1: Write the proportion equation
2,486,814,923.88 : 3,432,105,557.28 = 1,415,378,770.92 : x - Step 2: Convert to fraction form
2,486,814,923.88/3,432,105,557.28 = 1,415,378,770.92/x - Step 3: Cross multiply
2,486,814,923.88x = 3,432,105,557.28 × 1,415,378,770.92 - Step 4: Simplify right side
2,486,814,923.88x = 4,857,729,345,330,668,544 - Step 5: Solve for x
x = 4,857,729,345,330,668,544/2,486,814,923.88 - Step 6: Final answer
x = 1,953,393,997.55
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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.