Finding the Fourth Proportional to 364,285,067.58, 502,717,381.92 and 199,272,638.70
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Solution
The fourth proportional to 364,285,067.58, 502,717,381.92 and 199,272,638.70 is: 274,998,423.30
Step by Step Solution
- Step 1: Write the proportion equation
364,285,067.58 : 502,717,381.92 = 199,272,638.70 : x - Step 2: Convert to fraction form
364,285,067.58/502,717,381.92 = 199,272,638.70/x - Step 3: Cross multiply
364,285,067.58x = 502,717,381.92 × 199,272,638.70 - Step 4: Simplify right side
364,285,067.58x = 100,177,819,215,554,064 - Step 5: Solve for x
x = 100,177,819,215,554,064/364,285,067.58 - Step 6: Final answer
x = 274,998,423.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.