Finding the Fourth Proportional to 491,855,184.06, 678,758,506.08 and 268,836,736.62
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Solution
The fourth proportional to 491,855,184.06, 678,758,506.08 and 268,836,736.62 is: 370,993,795.82
Step by Step Solution
- Step 1: Write the proportion equation
491,855,184.06 : 678,758,506.08 = 268,836,736.62 : x - Step 2: Convert to fraction form
491,855,184.06/678,758,506.08 = 268,836,736.62/x - Step 3: Cross multiply
491,855,184.06x = 678,758,506.08 × 268,836,736.62 - Step 4: Simplify right side
491,855,184.06x = 182,475,221,727,613,632 - Step 5: Solve for x
x = 182,475,221,727,613,632/491,855,184.06 - Step 6: Final answer
x = 370,993,795.82
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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.