Finding the Fourth Proportional to 15,441,292,471.86, 23,151,364,722.36 and 7,863,408,585
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Solution
The fourth proportional to 15,441,292,471.86, 23,151,364,722.36 and 7,863,408,585 is: 11,789,728,123.09
Step by Step Solution
- Step 1: Write the proportion equation
15,441,292,471.86 : 23,151,364,722.36 = 7,863,408,585 : x - Step 2: Convert to fraction form
15,441,292,471.86/23,151,364,722.36 = 7,863,408,585/x - Step 3: Cross multiply
15,441,292,471.86x = 23,151,364,722.36 × 7,863,408,585 - Step 4: Simplify right side
15,441,292,471.86x = 182,048,640,112,271,785,984 - Step 5: Solve for x
x = 182,048,640,112,271,785,984/15,441,292,471.86 - Step 6: Final answer
x = 11,789,728,123.09
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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.