Finding the Fourth Proportional to 765,230,655.58, 1,148,028,140.48 and 247,661,096.06
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Solution
The fourth proportional to 765,230,655.58, 1,148,028,140.48 and 247,661,096.06 is: 371,550,597.86
Step by Step Solution
- Step 1: Write the proportion equation
765,230,655.58 : 1,148,028,140.48 = 247,661,096.06 : x - Step 2: Convert to fraction form
765,230,655.58/1,148,028,140.48 = 247,661,096.06/x - Step 3: Cross multiply
765,230,655.58x = 1,148,028,140.48 × 247,661,096.06 - Step 4: Simplify right side
765,230,655.58x = 284,321,907,580,632,192 - Step 5: Solve for x
x = 284,321,907,580,632,192/765,230,655.58 - Step 6: Final answer
x = 371,550,597.86
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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.