Finding the Fourth Proportional to 1,125,324,249.05, 1,687,833,137.32 and 296,208,461.98
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Solution
The fourth proportional to 1,125,324,249.05, 1,687,833,137.32 and 296,208,461.98 is: 444,272,358.04
Step by Step Solution
- Step 1: Write the proportion equation
1,125,324,249.05 : 1,687,833,137.32 = 296,208,461.98 : x - Step 2: Convert to fraction form
1,125,324,249.05/1,687,833,137.32 = 296,208,461.98/x - Step 3: Cross multiply
1,125,324,249.05x = 1,687,833,137.32 × 296,208,461.98 - Step 4: Simplify right side
1,125,324,249.05x = 499,950,457,684,435,328 - Step 5: Solve for x
x = 499,950,457,684,435,328/1,125,324,249.05 - Step 6: Final answer
x = 444,272,358.04
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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.