Finding the Fourth Proportional to 319,764,251.45, 479,692,131.55 and 98,454,316.62
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Solution
The fourth proportional to 319,764,251.45, 479,692,131.55 and 98,454,316.62 is: 147,695,562.55
Step by Step Solution
- Step 1: Write the proportion equation
319,764,251.45 : 479,692,131.55 = 98,454,316.62 : x - Step 2: Convert to fraction form
319,764,251.45/479,692,131.55 = 98,454,316.62/x - Step 3: Cross multiply
319,764,251.45x = 479,692,131.55 × 98,454,316.62 - Step 4: Simplify right side
319,764,251.45x = 47,227,761,001,299,104 - Step 5: Solve for x
x = 47,227,761,001,299,104/319,764,251.45 - Step 6: Final answer
x = 147,695,562.55
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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.