Finding the Fourth Proportional to 696,110,500,122.92, 960,632,536,364.70 and 387,455,235,249.62
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Solution
The fourth proportional to 696,110,500,122.92, 960,632,536,364.70 and 387,455,235,249.62 is: 534,688,250,356.66
Step by Step Solution
- Step 1: Write the proportion equation
696,110,500,122.92 : 960,632,536,364.70 = 387,455,235,249.62 : x - Step 2: Convert to fraction form
696,110,500,122.92/960,632,536,364.70 = 387,455,235,249.62/x - Step 3: Cross multiply
696,110,500,122.92x = 960,632,536,364.70 × 387,455,235,249.62 - Step 4: Simplify right side
696,110,500,122.92x = 372,202,105,365,623,941,890,048 - Step 5: Solve for x
x = 372,202,105,365,623,941,890,048/696,110,500,122.92 - Step 6: Final answer
x = 534,688,250,356.66
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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.