Finding the Fourth Proportional to 944,784,842.40, 1,417,177,263.60 and 484,769,512.80
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Solution
The fourth proportional to 944,784,842.40, 1,417,177,263.60 and 484,769,512.80 is: 727,154,269.20
Step by Step Solution
- Step 1: Write the proportion equation
944,784,842.40 : 1,417,177,263.60 = 484,769,512.80 : x - Step 2: Convert to fraction form
944,784,842.40/1,417,177,263.60 = 484,769,512.80/x - Step 3: Cross multiply
944,784,842.40x = 1,417,177,263.60 × 484,769,512.80 - Step 4: Simplify right side
944,784,842.40x = 687,004,331,626,609,152 - Step 5: Solve for x
x = 687,004,331,626,609,152/944,784,842.40 - Step 6: Final answer
x = 727,154,269.20
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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.