Finding the Fourth Proportional to 354,964,304.24, 534,869,349.20 and 291,685,624.36
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Solution
The fourth proportional to 354,964,304.24, 534,869,349.20 and 291,685,624.36 is: 439,519,405.78
Step by Step Solution
- Step 1: Write the proportion equation
354,964,304.24 : 534,869,349.20 = 291,685,624.36 : x - Step 2: Convert to fraction form
354,964,304.24/534,869,349.20 = 291,685,624.36/x - Step 3: Cross multiply
354,964,304.24x = 534,869,349.20 × 291,685,624.36 - Step 4: Simplify right side
354,964,304.24x = 156,013,700,072,428,864 - Step 5: Solve for x
x = 156,013,700,072,428,864/354,964,304.24 - Step 6: Final answer
x = 439,519,405.78
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.