Finding the Fourth Proportional to 324,610,461.76, 447,701,235.84 and 285,368,333.44
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Solution
The fourth proportional to 324,610,461.76, 447,701,235.84 and 285,368,333.44 is: 393,578,675.37
Step by Step Solution
- Step 1: Write the proportion equation
324,610,461.76 : 447,701,235.84 = 285,368,333.44 : x - Step 2: Convert to fraction form
324,610,461.76/447,701,235.84 = 285,368,333.44/x - Step 3: Cross multiply
324,610,461.76x = 447,701,235.84 × 285,368,333.44 - Step 4: Simplify right side
324,610,461.76x = 127,759,755,550,689,184 - Step 5: Solve for x
x = 127,759,755,550,689,184/324,610,461.76 - Step 6: Final answer
x = 393,578,675.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.