Finding the Fourth Proportional to 569,907,433.20, 854,861,149.80 and 538,162,690.80
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Solution
The fourth proportional to 569,907,433.20, 854,861,149.80 and 538,162,690.80 is: 807,244,036.20
Step by Step Solution
- Step 1: Write the proportion equation
569,907,433.20 : 854,861,149.80 = 538,162,690.80 : x - Step 2: Convert to fraction form
569,907,433.20/854,861,149.80 = 538,162,690.80/x - Step 3: Cross multiply
569,907,433.20x = 854,861,149.80 × 538,162,690.80 - Step 4: Simplify right side
569,907,433.20x = 460,054,376,636,749,824 - Step 5: Solve for x
x = 460,054,376,636,749,824/569,907,433.20 - Step 6: Final answer
x = 807,244,036.20
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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.