Finding the Fourth Proportional to 1,912,332,744,552.80, 2,639,012,780,511.50 and 1,045,237,020,476
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Solution
The fourth proportional to 1,912,332,744,552.80, 2,639,012,780,511.50 and 1,045,237,020,476 is: 1,442,423,586,353.94
Step by Step Solution
- Step 1: Write the proportion equation
1,912,332,744,552.80 : 2,639,012,780,511.50 = 1,045,237,020,476 : x - Step 2: Convert to fraction form
1,912,332,744,552.80/2,639,012,780,511.50 = 1,045,237,020,476/x - Step 3: Cross multiply
1,912,332,744,552.80x = 2,639,012,780,511.50 × 1,045,237,020,476 - Step 4: Simplify right side
1,912,332,744,552.80x = 2,758,393,855,699,924,593,672,192 - Step 5: Solve for x
x = 2,758,393,855,699,924,593,672,192/1,912,332,744,552.80 - Step 6: Final answer
x = 1,442,423,586,353.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.