Finding the Fourth Proportional to 13,201,491,642.12, 19,810,382,502.17 and 6,117,654,134.72
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Solution
The fourth proportional to 13,201,491,642.12, 19,810,382,502.17 and 6,117,654,134.72 is: 9,180,255,664.31
Step by Step Solution
- Step 1: Write the proportion equation
13,201,491,642.12 : 19,810,382,502.17 = 6,117,654,134.72 : x - Step 2: Convert to fraction form
13,201,491,642.12/19,810,382,502.17 = 6,117,654,134.72/x - Step 3: Cross multiply
13,201,491,642.12x = 19,810,382,502.17 × 6,117,654,134.72 - Step 4: Simplify right side
13,201,491,642.12x = 121,193,068,424,816,214,016 - Step 5: Solve for x
x = 121,193,068,424,816,214,016/13,201,491,642.12 - Step 6: Final answer
x = 9,180,255,664.31
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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.