Finding the Fourth Proportional to 512,489,201.08, 707,231,575.86 and 277,534,484.68
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Solution
The fourth proportional to 512,489,201.08, 707,231,575.86 and 277,534,484.68 is: 382,995,681.75
Step by Step Solution
- Step 1: Write the proportion equation
512,489,201.08 : 707,231,575.86 = 277,534,484.68 : x - Step 2: Convert to fraction form
512,489,201.08/707,231,575.86 = 277,534,484.68/x - Step 3: Cross multiply
512,489,201.08x = 707,231,575.86 × 277,534,484.68 - Step 4: Simplify right side
512,489,201.08x = 196,281,150,955,729,440 - Step 5: Solve for x
x = 196,281,150,955,729,440/512,489,201.08 - Step 6: Final answer
x = 382,995,681.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.