Finding the Fourth Proportional to 364,379,438.22, 502,842,101.74 and 197,115,283.46
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Solution
The fourth proportional to 364,379,438.22, 502,842,101.74 and 197,115,283.46 is: 272,018,267.29
Step by Step Solution
- Step 1: Write the proportion equation
364,379,438.22 : 502,842,101.74 = 197,115,283.46 : x - Step 2: Convert to fraction form
364,379,438.22/502,842,101.74 = 197,115,283.46/x - Step 3: Cross multiply
364,379,438.22x = 502,842,101.74 × 197,115,283.46 - Step 4: Simplify right side
364,379,438.22x = 99,117,863,420,102,272 - Step 5: Solve for x
x = 99,117,863,420,102,272/364,379,438.22 - Step 6: Final answer
x = 272,018,267.29
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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.