Finding the Fourth Proportional to 597,907,270.05, 896,860,905.08 and 442,939,074.45
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Solution
The fourth proportional to 597,907,270.05, 896,860,905.08 and 442,939,074.45 is: 664,408,611.68
Step by Step Solution
- Step 1: Write the proportion equation
597,907,270.05 : 896,860,905.08 = 442,939,074.45 : x - Step 2: Convert to fraction form
597,907,270.05/896,860,905.08 = 442,939,074.45/x - Step 3: Cross multiply
597,907,270.05x = 896,860,905.08 × 442,939,074.45 - Step 4: Simplify right side
597,907,270.05x = 397,254,739,204,309,824 - Step 5: Solve for x
x = 397,254,739,204,309,824/597,907,270.05 - Step 6: Final answer
x = 664,408,611.68
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1.5x scale
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.