Finding the Fourth Proportional to 406,251,611.57, 609,185,316.62 and 157,373,431.79
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Solution
The fourth proportional to 406,251,611.57, 609,185,316.62 and 157,373,431.79 is: 235,985,731.85
Step by Step Solution
- Step 1: Write the proportion equation
406,251,611.57 : 609,185,316.62 = 157,373,431.79 : x - Step 2: Convert to fraction form
406,251,611.57/609,185,316.62 = 157,373,431.79/x - Step 3: Cross multiply
406,251,611.57x = 609,185,316.62 × 157,373,431.79 - Step 4: Simplify right side
406,251,611.57x = 95,869,583,868,734,336 - Step 5: Solve for x
x = 95,869,583,868,734,336/406,251,611.57 - Step 6: Final answer
x = 235,985,731.85
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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.