Finding the Fourth Proportional to 751,118,432.96, 1,125,882,451.78 and 252,654,421.36
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Solution
The fourth proportional to 751,118,432.96, 1,125,882,451.78 and 252,654,421.36 is: 378,714,150.65
Step by Step Solution
- Step 1: Write the proportion equation
751,118,432.96 : 1,125,882,451.78 = 252,654,421.36 : x - Step 2: Convert to fraction form
751,118,432.96/1,125,882,451.78 = 252,654,421.36/x - Step 3: Cross multiply
751,118,432.96x = 1,125,882,451.78 × 252,654,421.36 - Step 4: Simplify right side
751,118,432.96x = 284,459,179,373,854,016 - Step 5: Solve for x
x = 284,459,179,373,854,016/751,118,432.96 - Step 6: Final answer
x = 378,714,150.65
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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.