Finding the Fourth Proportional to 2,137,178,937.60, 3,198,965,961.60 and 1,524,958,905.60
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Solution
The fourth proportional to 2,137,178,937.60, 3,198,965,961.60 and 1,524,958,905.60 is: 2,282,584,553.88
Step by Step Solution
- Step 1: Write the proportion equation
2,137,178,937.60 : 3,198,965,961.60 = 1,524,958,905.60 : x - Step 2: Convert to fraction form
2,137,178,937.60/3,198,965,961.60 = 1,524,958,905.60/x - Step 3: Cross multiply
2,137,178,937.60x = 3,198,965,961.60 × 1,524,958,905.60 - Step 4: Simplify right side
2,137,178,937.60x = 4,878,291,631,853,187,072 - Step 5: Solve for x
x = 4,878,291,631,853,187,072/2,137,178,937.60 - Step 6: Final answer
x = 2,282,584,553.88
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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.