Finding the Fourth Proportional to 9,863,527,371.78, 14,795,290,771.74 and 4,550,067,447.12
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Solution
The fourth proportional to 9,863,527,371.78, 14,795,290,771.74 and 4,550,067,447.12 is: 6,825,101,038.78
Step by Step Solution
- Step 1: Write the proportion equation
9,863,527,371.78 : 14,795,290,771.74 = 4,550,067,447.12 : x - Step 2: Convert to fraction form
9,863,527,371.78/14,795,290,771.74 = 4,550,067,447.12/x - Step 3: Cross multiply
9,863,527,371.78x = 14,795,290,771.74 × 4,550,067,447.12 - Step 4: Simplify right side
9,863,527,371.78x = 67,319,570,911,169,110,016 - Step 5: Solve for x
x = 67,319,570,911,169,110,016/9,863,527,371.78 - Step 6: Final answer
x = 6,825,101,038.78
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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.