Finding the Fourth Proportional to 316,232,390.80, 474,430,368.84 and 185,185,338.16
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Solution
The fourth proportional to 316,232,390.80, 474,430,368.84 and 185,185,338.16 is: 277,825,899.06
Step by Step Solution
- Step 1: Write the proportion equation
316,232,390.80 : 474,430,368.84 = 185,185,338.16 : x - Step 2: Convert to fraction form
316,232,390.80/474,430,368.84 = 185,185,338.16/x - Step 3: Cross multiply
316,232,390.80x = 474,430,368.84 × 185,185,338.16 - Step 4: Simplify right side
316,232,390.80x = 87,857,548,287,008,928 - Step 5: Solve for x
x = 87,857,548,287,008,928/316,232,390.80 - Step 6: Final answer
x = 277,825,899.06
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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.