Finding the Fourth Proportional to 373,670,261.49, 515,680,626.91 and 214,900,508.49
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Solution
The fourth proportional to 373,670,261.49, 515,680,626.91 and 214,900,508.49 is: 296,571,711.37
Step by Step Solution
- Step 1: Write the proportion equation
373,670,261.49 : 515,680,626.91 = 214,900,508.49 : x - Step 2: Convert to fraction form
373,670,261.49/515,680,626.91 = 214,900,508.49/x - Step 3: Cross multiply
373,670,261.49x = 515,680,626.91 × 214,900,508.49 - Step 4: Simplify right side
373,670,261.49x = 110,820,028,939,338,240 - Step 5: Solve for x
x = 110,820,028,939,338,240/373,670,261.49 - Step 6: Final answer
x = 296,571,711.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.