Finding the Fourth Proportional to 248,396,833,137.35, 342,787,630,389.68 and 134,211,454,130.75
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Solution
The fourth proportional to 248,396,833,137.35, 342,787,630,389.68 and 134,211,454,130.75 is: 185,211,807,057.11
Step by Step Solution
- Step 1: Write the proportion equation
248,396,833,137.35 : 342,787,630,389.68 = 134,211,454,130.75 : x - Step 2: Convert to fraction form
248,396,833,137.35/342,787,630,389.68 = 134,211,454,130.75/x - Step 3: Cross multiply
248,396,833,137.35x = 342,787,630,389.68 × 134,211,454,130.75 - Step 4: Simplify right side
248,396,833,137.35x = 46,006,026,332,633,024,167,936 - Step 5: Solve for x
x = 46,006,026,332,633,024,167,936/248,396,833,137.35 - Step 6: Final answer
x = 185,211,807,057.11
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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.