Finding the Fourth Proportional to 85,313,450,627.09, 117,687,926,303.99 and 52,750,255,121.62
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Solution
The fourth proportional to 85,313,450,627.09, 117,687,926,303.99 and 52,750,255,121.62 is: 72,767,753,403.92
Step by Step Solution
- Step 1: Write the proportion equation
85,313,450,627.09 : 117,687,926,303.99 = 52,750,255,121.62 : x - Step 2: Convert to fraction form
85,313,450,627.09/117,687,926,303.99 = 52,750,255,121.62/x - Step 3: Cross multiply
85,313,450,627.09x = 117,687,926,303.99 × 52,750,255,121.62 - Step 4: Simplify right side
85,313,450,627.09x = 6,208,068,137,269,886,713,856 - Step 5: Solve for x
x = 6,208,068,137,269,886,713,856/85,313,450,627.09 - Step 6: Final answer
x = 72,767,753,403.92
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1.5x scale
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.