Finding the Fourth Proportional to 1,722,129,952,628.50, 2,376,540,288,134.60 and 930,204,045,723.20
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Solution
The fourth proportional to 1,722,129,952,628.50, 2,376,540,288,134.60 and 930,204,045,723.20 is: 1,283,682,098,132.50
Step by Step Solution
- Step 1: Write the proportion equation
1,722,129,952,628.50 : 2,376,540,288,134.60 = 930,204,045,723.20 : x - Step 2: Convert to fraction form
1,722,129,952,628.50/2,376,540,288,134.60 = 930,204,045,723.20/x - Step 3: Cross multiply
1,722,129,952,628.50x = 2,376,540,288,134.60 × 930,204,045,723.20 - Step 4: Simplify right side
1,722,129,952,628.50x = 2,210,667,390,846,984,307,867,648 - Step 5: Solve for x
x = 2,210,667,390,846,984,307,867,648/1,722,129,952,628.50 - Step 6: Final answer
x = 1,283,682,098,132.50
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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.