Finding the Fourth Proportional to 564,929,999.70, 847,394,999.55 and 201,293,135.70
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Solution
The fourth proportional to 564,929,999.70, 847,394,999.55 and 201,293,135.70 is: 301,939,703.55
Step by Step Solution
- Step 1: Write the proportion equation
564,929,999.70 : 847,394,999.55 = 201,293,135.70 : x - Step 2: Convert to fraction form
564,929,999.70/847,394,999.55 = 201,293,135.70/x - Step 3: Cross multiply
564,929,999.70x = 847,394,999.55 × 201,293,135.70 - Step 4: Simplify right side
564,929,999.70x = 170,574,796,635,919,584 - Step 5: Solve for x
x = 170,574,796,635,919,584/564,929,999.70 - Step 6: Final answer
x = 301,939,703.55
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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.