Finding the Fourth Proportional to 592,340,415.80, 888,510,623.70 and 420,153,531.80
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Solution
The fourth proportional to 592,340,415.80, 888,510,623.70 and 420,153,531.80 is: 630,230,297.70
Step by Step Solution
- Step 1: Write the proportion equation
592,340,415.80 : 888,510,623.70 = 420,153,531.80 : x - Step 2: Convert to fraction form
592,340,415.80/888,510,623.70 = 420,153,531.80/x - Step 3: Cross multiply
592,340,415.80x = 888,510,623.70 × 420,153,531.80 - Step 4: Simplify right side
592,340,415.80x = 373,310,876,589,375,808 - Step 5: Solve for x
x = 373,310,876,589,375,808/592,340,415.80 - Step 6: Final answer
x = 630,230,297.70
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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.