Finding the Fourth Proportional to 1,680,362,343.63, 2,319,203,579.40 and 1,002,222,769.68
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Solution
The fourth proportional to 1,680,362,343.63, 2,319,203,579.40 and 1,002,222,769.68 is: 1,383,248,466.39
Step by Step Solution
- Step 1: Write the proportion equation
1,680,362,343.63 : 2,319,203,579.40 = 1,002,222,769.68 : x - Step 2: Convert to fraction form
1,680,362,343.63/2,319,203,579.40 = 1,002,222,769.68/x - Step 3: Cross multiply
1,680,362,343.63x = 2,319,203,579.40 × 1,002,222,769.68 - Step 4: Simplify right side
1,680,362,343.63x = 2,324,358,634,798,038,016 - Step 5: Solve for x
x = 2,324,358,634,798,038,016/1,680,362,343.63 - Step 6: Final answer
x = 1,383,248,466.39
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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.