Finding the Fourth Proportional to 328,841,138.14, 453,689,037.23 and 187,610,901.37
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Solution
The fourth proportional to 328,841,138.14, 453,689,037.23 and 187,610,901.37 is: 258,839,297.59
Step by Step Solution
- Step 1: Write the proportion equation
328,841,138.14 : 453,689,037.23 = 187,610,901.37 : x - Step 2: Convert to fraction form
328,841,138.14/453,689,037.23 = 187,610,901.37/x - Step 3: Cross multiply
328,841,138.14x = 453,689,037.23 × 187,610,901.37 - Step 4: Simplify right side
328,841,138.14x = 85,117,009,214,335,520 - Step 5: Solve for x
x = 85,117,009,214,335,520/328,841,138.14 - Step 6: Final answer
x = 258,839,297.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.