Finding the Fourth Proportional to 1,310,536,027.69, 1,965,811,390.36 and 437,134,998.26
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Solution
The fourth proportional to 1,310,536,027.69, 1,965,811,390.36 and 437,134,998.26 is: 655,704,948.63
Step by Step Solution
- Step 1: Write the proportion equation
1,310,536,027.69 : 1,965,811,390.36 = 437,134,998.26 : x - Step 2: Convert to fraction form
1,310,536,027.69/1,965,811,390.36 = 437,134,998.26/x - Step 3: Cross multiply
1,310,536,027.69x = 1,965,811,390.36 × 437,134,998.26 - Step 4: Simplify right side
1,310,536,027.69x = 859,324,958,708,328,448 - Step 5: Solve for x
x = 859,324,958,708,328,448/1,310,536,027.69 - Step 6: Final answer
x = 655,704,948.63
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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.