Finding the Fourth Proportional to 1,635,393,031.20, 2,453,089,546.80 and 982,358,330.40
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Solution
The fourth proportional to 1,635,393,031.20, 2,453,089,546.80 and 982,358,330.40 is: 1,473,537,495.60
Step by Step Solution
- Step 1: Write the proportion equation
1,635,393,031.20 : 2,453,089,546.80 = 982,358,330.40 : x - Step 2: Convert to fraction form
1,635,393,031.20/2,453,089,546.80 = 982,358,330.40/x - Step 3: Cross multiply
1,635,393,031.20x = 2,453,089,546.80 × 982,358,330.40 - Step 4: Simplify right side
1,635,393,031.20x = 2,409,812,951,516,140,544 - Step 5: Solve for x
x = 2,409,812,951,516,140,544/1,635,393,031.20 - Step 6: Final answer
x = 1,473,537,495.60
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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.