Finding the Fourth Proportional to 348,321,992.99, 480,684,428.80 and 191,689,099.98
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Solution
The fourth proportional to 348,321,992.99, 480,684,428.80 and 191,689,099.98 is: 264,531,001.15
Step by Step Solution
- Step 1: Write the proportion equation
348,321,992.99 : 480,684,428.80 = 191,689,099.98 : x - Step 2: Convert to fraction form
348,321,992.99/480,684,428.80 = 191,689,099.98/x - Step 3: Cross multiply
348,321,992.99x = 480,684,428.80 × 191,689,099.98 - Step 4: Simplify right side
348,321,992.99x = 92,141,965,530,416,784 - Step 5: Solve for x
x = 92,141,965,530,416,784/348,321,992.99 - Step 6: Final answer
x = 264,531,001.15
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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.