Finding the Fourth Proportional to 7,972,820,194.84, 11,956,460,820.35 and 4,436,957,512.73
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Solution
The fourth proportional to 7,972,820,194.84, 11,956,460,820.35 and 4,436,957,512.73 is: 6,653,895,029.12
Step by Step Solution
- Step 1: Write the proportion equation
7,972,820,194.84 : 11,956,460,820.35 = 4,436,957,512.73 : x - Step 2: Convert to fraction form
7,972,820,194.84/11,956,460,820.35 = 4,436,957,512.73/x - Step 3: Cross multiply
7,972,820,194.84x = 11,956,460,820.35 × 4,436,957,512.73 - Step 4: Simplify right side
7,972,820,194.84x = 53,050,308,662,521,536,512 - Step 5: Solve for x
x = 53,050,308,662,521,536,512/7,972,820,194.84 - Step 6: Final answer
x = 6,653,895,029.12
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1.5x scale
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.