Finding the Fourth Proportional to 727,596,355.74, 1,091,399,257.53 and 290,933,724.66
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Solution
The fourth proportional to 727,596,355.74, 1,091,399,257.53 and 290,933,724.66 is: 436,402,475.88
Step by Step Solution
- Step 1: Write the proportion equation
727,596,355.74 : 1,091,399,257.53 = 290,933,724.66 : x - Step 2: Convert to fraction form
727,596,355.74/1,091,399,257.53 = 290,933,724.66/x - Step 3: Cross multiply
727,596,355.74x = 1,091,399,257.53 × 290,933,724.66 - Step 4: Simplify right side
727,596,355.74x = 317,524,851,084,361,472 - Step 5: Solve for x
x = 317,524,851,084,361,472/727,596,355.74 - Step 6: Final answer
x = 436,402,475.88
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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.