Finding the Fourth Proportional to 239,630,212,742.14, 330,700,088,570.15 and 132,702,157,778.14
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Solution
The fourth proportional to 239,630,212,742.14, 330,700,088,570.15 and 132,702,157,778.14 is: 183,134,734,257.84
Step by Step Solution
- Step 1: Write the proportion equation
239,630,212,742.14 : 330,700,088,570.15 = 132,702,157,778.14 : x - Step 2: Convert to fraction form
239,630,212,742.14/330,700,088,570.15 = 132,702,157,778.14/x - Step 3: Cross multiply
239,630,212,742.14x = 330,700,088,570.15 × 132,702,157,778.14 - Step 4: Simplify right side
239,630,212,742.14x = 43,884,615,330,680,922,963,968 - Step 5: Solve for x
x = 43,884,615,330,680,922,963,968/239,630,212,742.14 - Step 6: Final answer
x = 183,134,734,257.84
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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.