Finding the Fourth Proportional to 751,118,406.87, 1,125,882,412.83 and 252,654,395.31
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Solution
The fourth proportional to 751,118,406.87, 1,125,882,412.83 and 252,654,395.31 is: 378,714,111.65
Step by Step Solution
- Step 1: Write the proportion equation
751,118,406.87 : 1,125,882,412.83 = 252,654,395.31 : x - Step 2: Convert to fraction form
751,118,406.87/1,125,882,412.83 = 252,654,395.31/x - Step 3: Cross multiply
751,118,406.87x = 1,125,882,412.83 × 252,654,395.31 - Step 4: Simplify right side
751,118,406.87x = 284,459,140,203,727,424 - Step 5: Solve for x
x = 284,459,140,203,727,424/751,118,406.87 - Step 6: Final answer
x = 378,714,111.65
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1.5x scale
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.