Finding the Fourth Proportional to 276,520,918,137.98, 381,660,255,921.97 and 168,110,979,705.16
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Solution
The fourth proportional to 276,520,918,137.98, 381,660,255,921.97 and 168,110,979,705.16 is: 232,030,473,389.17
Step by Step Solution
- Step 1: Write the proportion equation
276,520,918,137.98 : 381,660,255,921.97 = 168,110,979,705.16 : x - Step 2: Convert to fraction form
276,520,918,137.98/381,660,255,921.97 = 168,110,979,705.16/x - Step 3: Cross multiply
276,520,918,137.98x = 381,660,255,921.97 × 168,110,979,705.16 - Step 4: Simplify right side
276,520,918,137.98x = 64,161,279,537,564,469,952,512 - Step 5: Solve for x
x = 64,161,279,537,564,469,952,512/276,520,918,137.98 - Step 6: Final answer
x = 232,030,473,389.17
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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.