Finding the Fourth Proportional to 1,380,133,206.46, 2,069,473,396.22 and 943,558,742.91
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Solution
The fourth proportional to 1,380,133,206.46, 2,069,473,396.22 and 943,558,742.91 is: 1,414,841,485.65
Step by Step Solution
- Step 1: Write the proportion equation
1,380,133,206.46 : 2,069,473,396.22 = 943,558,742.91 : x - Step 2: Convert to fraction form
1,380,133,206.46/2,069,473,396.22 = 943,558,742.91/x - Step 3: Cross multiply
1,380,133,206.46x = 2,069,473,396.22 × 943,558,742.91 - Step 4: Simplify right side
1,380,133,206.46x = 1,952,669,716,218,313,728 - Step 5: Solve for x
x = 1,952,669,716,218,313,728/1,380,133,206.46 - Step 6: Final answer
x = 1,414,841,485.65
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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.