Finding the Fourth Proportional to 276,520,918,135.48, 381,660,255,918.52 and 168,110,979,702.66
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Solution
The fourth proportional to 276,520,918,135.48, 381,660,255,918.52 and 168,110,979,702.66 is: 232,030,473,385.72
Step by Step Solution
- Step 1: Write the proportion equation
276,520,918,135.48 : 381,660,255,918.52 = 168,110,979,702.66 : x - Step 2: Convert to fraction form
276,520,918,135.48/381,660,255,918.52 = 168,110,979,702.66/x - Step 3: Cross multiply
276,520,918,135.48x = 381,660,255,918.52 × 168,110,979,702.66 - Step 4: Simplify right side
276,520,918,135.48x = 64,161,279,536,030,344,544,256 - Step 5: Solve for x
x = 64,161,279,536,030,344,544,256/276,520,918,135.48 - Step 6: Final answer
x = 232,030,473,385.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.