Finding the Fourth Proportional to 331,351,701,181.11, 457,276,630,109.80 and 192,292,216,445.74
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Solution
The fourth proportional to 331,351,701,181.11, 457,276,630,109.80 and 192,292,216,445.74 is: 265,369,806,218.65
Step by Step Solution
- Step 1: Write the proportion equation
331,351,701,181.11 : 457,276,630,109.80 = 192,292,216,445.74 : x - Step 2: Convert to fraction form
331,351,701,181.11/457,276,630,109.80 = 192,292,216,445.74/x - Step 3: Cross multiply
331,351,701,181.11x = 457,276,630,109.80 × 192,292,216,445.74 - Step 4: Simplify right side
331,351,701,181.11x = 87,930,736,732,652,242,468,864 - Step 5: Solve for x
x = 87,930,736,732,652,242,468,864/331,351,701,181.11 - Step 6: Final answer
x = 265,369,806,218.65
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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.