Finding the Fourth Proportional to 311,665,714,318.80, 467,569,064,687.58 and 168,241,664,108.60
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Solution
The fourth proportional to 311,665,714,318.80, 467,569,064,687.58 and 168,241,664,108.60 is: 252,400,549,417.75
Step by Step Solution
- Step 1: Write the proportion equation
311,665,714,318.80 : 467,569,064,687.58 = 168,241,664,108.60 : x - Step 2: Convert to fraction form
311,665,714,318.80/467,569,064,687.58 = 168,241,664,108.60/x - Step 3: Cross multiply
311,665,714,318.80x = 467,569,064,687.58 × 168,241,664,108.60 - Step 4: Simplify right side
311,665,714,318.80x = 78,664,597,528,740,102,144,000 - Step 5: Solve for x
x = 78,664,597,528,740,102,144,000/311,665,714,318.80 - Step 6: Final answer
x = 252,400,549,417.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.