Finding the Fourth Proportional to 11,315,981,289.70, 15,615,350,560.69 and 6,235,060,890.79
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Solution
The fourth proportional to 11,315,981,289.70, 15,615,350,560.69 and 6,235,060,890.79 is: 8,603,996,337.95
Step by Step Solution
- Step 1: Write the proportion equation
11,315,981,289.70 : 15,615,350,560.69 = 6,235,060,890.79 : x - Step 2: Convert to fraction form
11,315,981,289.70/15,615,350,560.69 = 6,235,060,890.79/x - Step 3: Cross multiply
11,315,981,289.70x = 15,615,350,560.69 × 6,235,060,890.79 - Step 4: Simplify right side
11,315,981,289.70x = 97,362,661,576,868,298,752 - Step 5: Solve for x
x = 97,362,661,576,868,298,752/11,315,981,289.70 - Step 6: Final answer
x = 8,603,996,337.95
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1.5x scale
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.