Finding the Fourth Proportional to 283,537,810.80, 425,306,716.20 and 266,319,122.40
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Solution
The fourth proportional to 283,537,810.80, 425,306,716.20 and 266,319,122.40 is: 399,478,683.60
Step by Step Solution
- Step 1: Write the proportion equation
283,537,810.80 : 425,306,716.20 = 266,319,122.40 : x - Step 2: Convert to fraction form
283,537,810.80/425,306,716.20 = 266,319,122.40/x - Step 3: Cross multiply
283,537,810.80x = 425,306,716.20 × 266,319,122.40 - Step 4: Simplify right side
283,537,810.80x = 113,267,311,409,209,856 - Step 5: Solve for x
x = 113,267,311,409,209,856/283,537,810.80 - Step 6: Final answer
x = 399,478,683.60
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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.