Finding the Fourth Proportional to 2,318,811,929.70, 3,478,217,894.55 and 1,584,147,891.30
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Solution
The fourth proportional to 2,318,811,929.70, 3,478,217,894.55 and 1,584,147,891.30 is: 2,376,221,836.95
Step by Step Solution
- Step 1: Write the proportion equation
2,318,811,929.70 : 3,478,217,894.55 = 1,584,147,891.30 : x - Step 2: Convert to fraction form
2,318,811,929.70/3,478,217,894.55 = 1,584,147,891.30/x - Step 3: Cross multiply
2,318,811,929.70x = 3,478,217,894.55 × 1,584,147,891.30 - Step 4: Simplify right side
2,318,811,929.70x = 5,510,011,543,133,307,904 - Step 5: Solve for x
x = 5,510,011,543,133,307,904/2,318,811,929.70 - Step 6: Final answer
x = 2,376,221,836.95
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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.