Finding the Fourth Proportional to 492,361,654.80, 738,542,482.20 and 237,557,686.80
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Solution
The fourth proportional to 492,361,654.80, 738,542,482.20 and 237,557,686.80 is: 356,336,530.20
Step by Step Solution
- Step 1: Write the proportion equation
492,361,654.80 : 738,542,482.20 = 237,557,686.80 : x - Step 2: Convert to fraction form
492,361,654.80/738,542,482.20 = 237,557,686.80/x - Step 3: Cross multiply
492,361,654.80x = 738,542,482.20 × 237,557,686.80 - Step 4: Simplify right side
492,361,654.80x = 175,446,443,674,962,208 - Step 5: Solve for x
x = 175,446,443,674,962,208/492,361,654.80 - Step 6: Final answer
x = 356,336,530.20
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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.