Finding the Fourth Proportional to 442,368,000.80, 663,552,001.20 and 327,706,215.20
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Solution
The fourth proportional to 442,368,000.80, 663,552,001.20 and 327,706,215.20 is: 491,559,322.80
Step by Step Solution
- Step 1: Write the proportion equation
442,368,000.80 : 663,552,001.20 = 327,706,215.20 : x - Step 2: Convert to fraction form
442,368,000.80/663,552,001.20 = 327,706,215.20/x - Step 3: Cross multiply
442,368,000.80x = 663,552,001.20 × 327,706,215.20 - Step 4: Simplify right side
442,368,000.80x = 217,450,114,901,637,856 - Step 5: Solve for x
x = 217,450,114,901,637,856/442,368,000.80 - Step 6: Final answer
x = 491,559,322.80
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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.