Finding the Fourth Proportional to 7,362,788,921.40, 11,045,736,370.84 and 2,388,124,428.78
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Solution
The fourth proportional to 7,362,788,921.40, 11,045,736,370.84 and 2,388,124,428.78 is: 3,582,690,355.88
Step by Step Solution
- Step 1: Write the proportion equation
7,362,788,921.40 : 11,045,736,370.84 = 2,388,124,428.78 : x - Step 2: Convert to fraction form
7,362,788,921.40/11,045,736,370.84 = 2,388,124,428.78/x - Step 3: Cross multiply
7,362,788,921.40x = 11,045,736,370.84 × 2,388,124,428.78 - Step 4: Simplify right side
7,362,788,921.40x = 26,378,592,861,059,584,000 - Step 5: Solve for x
x = 26,378,592,861,059,584,000/7,362,788,921.40 - Step 6: Final answer
x = 3,582,690,355.88
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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.