Finding the Fourth Proportional to 13,306,729,038.52, 18,363,431,192 and 7,366,380,742.84
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Solution
The fourth proportional to 13,306,729,038.52, 18,363,431,192 and 7,366,380,742.84 is: 10,165,685,760.46
Step by Step Solution
- Step 1: Write the proportion equation
13,306,729,038.52 : 18,363,431,192 = 7,366,380,742.84 : x - Step 2: Convert to fraction form
13,306,729,038.52/18,363,431,192 = 7,366,380,742.84/x - Step 3: Cross multiply
13,306,729,038.52x = 18,363,431,192 × 7,366,380,742.84 - Step 4: Simplify right side
13,306,729,038.52x = 135,272,025,905,216,192,512 - Step 5: Solve for x
x = 135,272,025,905,216,192,512/13,306,729,038.52 - Step 6: Final answer
x = 10,165,685,760.46
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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.