Finding the Fourth Proportional to 618,255,729.73, 927,475,415.79 and 203,655,970.18
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Solution
The fourth proportional to 618,255,729.73, 927,475,415.79 and 203,655,970.18 is: 305,514,201.55
Step by Step Solution
- Step 1: Write the proportion equation
618,255,729.73 : 927,475,415.79 = 203,655,970.18 : x - Step 2: Convert to fraction form
618,255,729.73/927,475,415.79 = 203,655,970.18/x - Step 3: Cross multiply
618,255,729.73x = 927,475,415.79 × 203,655,970.18 - Step 4: Simplify right side
618,255,729.73x = 188,885,905,620,811,328 - Step 5: Solve for x
x = 188,885,905,620,811,328/618,255,729.73 - Step 6: Final answer
x = 305,514,201.55
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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.