Finding the Fourth Proportional to 578,543,764.91, 868,045,602.96 and 185,131,207.26
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Solution
The fourth proportional to 578,543,764.91, 868,045,602.96 and 185,131,207.26 is: 277,770,395.57
Step by Step Solution
- Step 1: Write the proportion equation
578,543,764.91 : 868,045,602.96 = 185,131,207.26 : x - Step 2: Convert to fraction form
578,543,764.91/868,045,602.96 = 185,131,207.26/x - Step 3: Cross multiply
578,543,764.91x = 868,045,602.96 × 185,131,207.26 - Step 4: Simplify right side
578,543,764.91x = 160,702,330,432,719,424 - Step 5: Solve for x
x = 160,702,330,432,719,424/578,543,764.91 - Step 6: Final answer
x = 277,770,395.57
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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.