Finding the Fourth Proportional to 953,862,574.40, 1,430,793,861.60 and 800,807,566.40
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Solution
The fourth proportional to 953,862,574.40, 1,430,793,861.60 and 800,807,566.40 is: 1,201,211,349.60
Step by Step Solution
- Step 1: Write the proportion equation
953,862,574.40 : 1,430,793,861.60 = 800,807,566.40 : x - Step 2: Convert to fraction form
953,862,574.40/1,430,793,861.60 = 800,807,566.40/x - Step 3: Cross multiply
953,862,574.40x = 1,430,793,861.60 × 800,807,566.40 - Step 4: Simplify right side
953,862,574.40x = 1,145,790,550,327,954,304 - Step 5: Solve for x
x = 1,145,790,550,327,954,304/953,862,574.40 - Step 6: Final answer
x = 1,201,211,349.60
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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.