Finding the Fourth Proportional to 5,239,811,938,405.70, 7,859,878,028,219.10 and 1,797,660,332,390
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Solution
The fourth proportional to 5,239,811,938,405.70, 7,859,878,028,219.10 and 1,797,660,332,390 is: 2,696,545,432,325.63
Step by Step Solution
- Step 1: Write the proportion equation
5,239,811,938,405.70 : 7,859,878,028,219.10 = 1,797,660,332,390 : x - Step 2: Convert to fraction form
5,239,811,938,405.70/7,859,878,028,219.10 = 1,797,660,332,390/x - Step 3: Cross multiply
5,239,811,938,405.70x = 7,859,878,028,219.10 × 1,797,660,332,390 - Step 4: Simplify right side
5,239,811,938,405.70x = 14,129,390,948,753,203,347,324,928 - Step 5: Solve for x
x = 14,129,390,948,753,203,347,324,928/5,239,811,938,405.70 - Step 6: Final answer
x = 2,696,545,432,325.63
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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.