Finding the Fourth Proportional to 597,907,288.80, 896,860,933.20 and 442,939,093.20
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Solution
The fourth proportional to 597,907,288.80, 896,860,933.20 and 442,939,093.20 is: 664,408,639.80
Step by Step Solution
- Step 1: Write the proportion equation
597,907,288.80 : 896,860,933.20 = 442,939,093.20 : x - Step 2: Convert to fraction form
597,907,288.80/896,860,933.20 = 442,939,093.20/x - Step 3: Cross multiply
597,907,288.80x = 896,860,933.20 × 442,939,093.20 - Step 4: Simplify right side
597,907,288.80x = 397,254,768,478,113,792 - Step 5: Solve for x
x = 397,254,768,478,113,792/597,907,288.80 - Step 6: Final answer
x = 664,408,639.80
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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.