Finding the Fourth Proportional to 1,583,451,159.36, 2,375,529,870.24 and 519,921,391.80
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Solution
The fourth proportional to 1,583,451,159.36, 2,375,529,870.24 and 519,921,391.80 is: 779,998,037.26
Step by Step Solution
- Step 1: Write the proportion equation
1,583,451,159.36 : 2,375,529,870.24 = 519,921,391.80 : x - Step 2: Convert to fraction form
1,583,451,159.36/2,375,529,870.24 = 519,921,391.80/x - Step 3: Cross multiply
1,583,451,159.36x = 2,375,529,870.24 × 519,921,391.80 - Step 4: Simplify right side
1,583,451,159.36x = 1,235,088,796,397,654,016 - Step 5: Solve for x
x = 1,235,088,796,397,654,016/1,583,451,159.36 - Step 6: Final answer
x = 779,998,037.26
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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.