Finding the Fourth Proportional to 1,599,808,612.28, 2,207,739,125.72 and 894,972,364.24
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Solution
The fourth proportional to 1,599,808,612.28, 2,207,739,125.72 and 894,972,364.24 is: 1,235,063,675.62
Step by Step Solution
- Step 1: Write the proportion equation
1,599,808,612.28 : 2,207,739,125.72 = 894,972,364.24 : x - Step 2: Convert to fraction form
1,599,808,612.28/2,207,739,125.72 = 894,972,364.24/x - Step 3: Cross multiply
1,599,808,612.28x = 2,207,739,125.72 × 894,972,364.24 - Step 4: Simplify right side
1,599,808,612.28x = 1,975,865,504,970,778,880 - Step 5: Solve for x
x = 1,975,865,504,970,778,880/1,599,808,612.28 - Step 6: Final answer
x = 1,235,063,675.62
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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.