Finding the Fourth Proportional to 445,560,949.36, 668,340,505.08 and 251,384,217.52
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Solution
The fourth proportional to 445,560,949.36, 668,340,505.08 and 251,384,217.52 is: 377,075,807.81
Step by Step Solution
- Step 1: Write the proportion equation
445,560,949.36 : 668,340,505.08 = 251,384,217.52 : x - Step 2: Convert to fraction form
445,560,949.36/668,340,505.08 = 251,384,217.52/x - Step 3: Cross multiply
445,560,949.36x = 668,340,505.08 × 251,384,217.52 - Step 4: Simplify right side
445,560,949.36x = 168,010,254,906,457,408 - Step 5: Solve for x
x = 168,010,254,906,457,408/445,560,949.36 - Step 6: Final answer
x = 377,075,807.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.