Finding the Fourth Proportional to 476,557,915.55, 657,460,811.81 and 275,577,652.94
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Solution
The fourth proportional to 476,557,915.55, 657,460,811.81 and 275,577,652.94 is: 380,187,804.05
Step by Step Solution
- Step 1: Write the proportion equation
476,557,915.55 : 657,460,811.81 = 275,577,652.94 : x - Step 2: Convert to fraction form
476,557,915.55/657,460,811.81 = 275,577,652.94/x - Step 3: Cross multiply
476,557,915.55x = 657,460,811.81 × 275,577,652.94 - Step 4: Simplify right side
476,557,915.55x = 181,181,507,416,028,480 - Step 5: Solve for x
x = 181,181,507,416,028,480/476,557,915.55 - Step 6: Final answer
x = 380,187,804.05
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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.