Finding the Fourth Proportional to 347,217,869.62, 479,558,335.08 and 228,670,394.65
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Solution
The fourth proportional to 347,217,869.62, 479,558,335.08 and 228,670,394.65 is: 315,827,045.02
Step by Step Solution
- Step 1: Write the proportion equation
347,217,869.62 : 479,558,335.08 = 228,670,394.65 : x - Step 2: Convert to fraction form
347,217,869.62/479,558,335.08 = 228,670,394.65/x - Step 3: Cross multiply
347,217,869.62x = 479,558,335.08 × 228,670,394.65 - Step 4: Simplify right side
347,217,869.62x = 109,660,793,740,440,544 - Step 5: Solve for x
x = 109,660,793,740,440,544/347,217,869.62 - Step 6: Final answer
x = 315,827,045.02
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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.