Finding the Fourth Proportional to 74,805,295,542.63, 112,386,951,284.29 and 47,966,446,717.68
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Solution
The fourth proportional to 74,805,295,542.63, 112,386,951,284.29 and 47,966,446,717.68 is: 72,064,453,076.97
Step by Step Solution
- Step 1: Write the proportion equation
74,805,295,542.63 : 112,386,951,284.29 = 47,966,446,717.68 : x - Step 2: Convert to fraction form
74,805,295,542.63/112,386,951,284.29 = 47,966,446,717.68/x - Step 3: Cross multiply
74,805,295,542.63x = 112,386,951,284.29 × 47,966,446,717.68 - Step 4: Simplify right side
74,805,295,542.63x = 5,390,802,710,540,394,168,320 - Step 5: Solve for x
x = 5,390,802,710,540,394,168,320/74,805,295,542.63 - Step 6: Final answer
x = 72,064,453,076.97
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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.