Finding the Fourth Proportional to 374,434,675.20, 561,652,012.80 and 170,361,331.20
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Solution
The fourth proportional to 374,434,675.20, 561,652,012.80 and 170,361,331.20 is: 255,541,996.80
Step by Step Solution
- Step 1: Write the proportion equation
374,434,675.20 : 561,652,012.80 = 170,361,331.20 : x - Step 2: Convert to fraction form
374,434,675.20/561,652,012.80 = 170,361,331.20/x - Step 3: Cross multiply
374,434,675.20x = 561,652,012.80 × 170,361,331.20 - Step 4: Simplify right side
374,434,675.20x = 95,683,784,571,767,424 - Step 5: Solve for x
x = 95,683,784,571,767,424/374,434,675.20 - Step 6: Final answer
x = 255,541,996.80
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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.