Finding the Fourth Proportional to 291,457,975.68, 436,742,095.39 and 173,049,566.36
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Solution
The fourth proportional to 291,457,975.68, 436,742,095.39 and 173,049,566.36 is: 259,310,214.58
Step by Step Solution
- Step 1: Write the proportion equation
291,457,975.68 : 436,742,095.39 = 173,049,566.36 : x - Step 2: Convert to fraction form
291,457,975.68/436,742,095.39 = 173,049,566.36/x - Step 3: Cross multiply
291,457,975.68x = 436,742,095.39 × 173,049,566.36 - Step 4: Simplify right side
291,457,975.68x = 75,578,030,215,780,912 - Step 5: Solve for x
x = 75,578,030,215,780,912/291,457,975.68 - Step 6: Final answer
x = 259,310,214.58
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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.