Finding the Fourth Proportional to 422,407,537.20, 633,611,305.80 and 358,634,617.20
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Solution
The fourth proportional to 422,407,537.20, 633,611,305.80 and 358,634,617.20 is: 537,951,925.80
Step by Step Solution
- Step 1: Write the proportion equation
422,407,537.20 : 633,611,305.80 = 358,634,617.20 : x - Step 2: Convert to fraction form
422,407,537.20/633,611,305.80 = 358,634,617.20/x - Step 3: Cross multiply
422,407,537.20x = 633,611,305.80 × 358,634,617.20 - Step 4: Simplify right side
422,407,537.20x = 227,234,948,109,175,104 - Step 5: Solve for x
x = 227,234,948,109,175,104/422,407,537.20 - Step 6: Final answer
x = 537,951,925.80
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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.