Finding the Fourth Proportional to 658,267,817.12, 987,566,190.24 and 464,557,353.92
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Solution
The fourth proportional to 658,267,817.12, 987,566,190.24 and 464,557,353.92 is: 696,952,097.96
Step by Step Solution
- Step 1: Write the proportion equation
658,267,817.12 : 987,566,190.24 = 464,557,353.92 : x - Step 2: Convert to fraction form
658,267,817.12/987,566,190.24 = 464,557,353.92/x - Step 3: Cross multiply
658,267,817.12x = 987,566,190.24 × 464,557,353.92 - Step 4: Simplify right side
658,267,817.12x = 458,781,136,158,749,760 - Step 5: Solve for x
x = 458,781,136,158,749,760/658,267,817.12 - Step 6: Final answer
x = 696,952,097.96
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1.5x scale
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.