Finding the Fourth Proportional to 2,356,129,611.20, 3,534,194,416.80 and 803,282,628.80
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Solution
The fourth proportional to 2,356,129,611.20, 3,534,194,416.80 and 803,282,628.80 is: 1,204,923,943.20
Step by Step Solution
- Step 1: Write the proportion equation
2,356,129,611.20 : 3,534,194,416.80 = 803,282,628.80 : x - Step 2: Convert to fraction form
2,356,129,611.20/3,534,194,416.80 = 803,282,628.80/x - Step 3: Cross multiply
2,356,129,611.20x = 3,534,194,416.80 × 803,282,628.80 - Step 4: Simplify right side
2,356,129,611.20x = 2,838,956,981,817,387,008 - Step 5: Solve for x
x = 2,838,956,981,817,387,008/2,356,129,611.20 - Step 6: Final answer
x = 1,204,923,943.20
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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.