Finding the Fourth Proportional to 471,551,174.30, 707,326,761.45 and 213,270,848.30
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Solution
The fourth proportional to 471,551,174.30, 707,326,761.45 and 213,270,848.30 is: 319,906,272.45
Step by Step Solution
- Step 1: Write the proportion equation
471,551,174.30 : 707,326,761.45 = 213,270,848.30 : x - Step 2: Convert to fraction form
471,551,174.30/707,326,761.45 = 213,270,848.30/x - Step 3: Cross multiply
471,551,174.30x = 707,326,761.45 × 213,270,848.30 - Step 4: Simplify right side
471,551,174.30x = 150,852,178,439,733,248 - Step 5: Solve for x
x = 150,852,178,439,733,248/471,551,174.30 - Step 6: Final answer
x = 319,906,272.45
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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.