Finding the Fourth Proportional to 8,073,536,576.70, 12,110,304,865.05 and 7,202,823,642.30
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Solution
The fourth proportional to 8,073,536,576.70, 12,110,304,865.05 and 7,202,823,642.30 is: 10,804,235,463.45
Step by Step Solution
- Step 1: Write the proportion equation
8,073,536,576.70 : 12,110,304,865.05 = 7,202,823,642.30 : x - Step 2: Convert to fraction form
8,073,536,576.70/12,110,304,865.05 = 7,202,823,642.30/x - Step 3: Cross multiply
8,073,536,576.70x = 12,110,304,865.05 × 7,202,823,642.30 - Step 4: Simplify right side
8,073,536,576.70x = 87,228,390,197,442,854,912 - Step 5: Solve for x
x = 87,228,390,197,442,854,912/8,073,536,576.70 - Step 6: Final answer
x = 10,804,235,463.45
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1.5x scale
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.