Finding the Fourth Proportional to 696,291,329.30, 1,044,215,407.79 and 229,865,907.81
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Solution
The fourth proportional to 696,291,329.30, 1,044,215,407.79 and 229,865,907.81 is: 344,725,709.72
Step by Step Solution
- Step 1: Write the proportion equation
696,291,329.30 : 1,044,215,407.79 = 229,865,907.81 : x - Step 2: Convert to fraction form
696,291,329.30/1,044,215,407.79 = 229,865,907.81/x - Step 3: Cross multiply
696,291,329.30x = 1,044,215,407.79 × 229,865,907.81 - Step 4: Simplify right side
696,291,329.30x = 240,029,522,665,764,896 - Step 5: Solve for x
x = 240,029,522,665,764,896/696,291,329.30 - Step 6: Final answer
x = 344,725,709.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.