Finding the Fourth Proportional to 886,346,841.44, 1,223,310,527.16 and 515,284,106.42
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Solution
The fourth proportional to 886,346,841.44, 1,223,310,527.16 and 515,284,106.42 is: 711,180,366.86
Step by Step Solution
- Step 1: Write the proportion equation
886,346,841.44 : 1,223,310,527.16 = 515,284,106.42 : x - Step 2: Convert to fraction form
886,346,841.44/1,223,310,527.16 = 515,284,106.42/x - Step 3: Cross multiply
886,346,841.44x = 1,223,310,527.16 × 515,284,106.42 - Step 4: Simplify right side
886,346,841.44x = 630,352,471,861,819,776 - Step 5: Solve for x
x = 630,352,471,861,819,776/886,346,841.44 - Step 6: Final answer
x = 711,180,366.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.