Finding the Fourth Proportional to 4,289,970,120.64, 6,434,975,732.79 and 1,302,059,164.06
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Solution
The fourth proportional to 4,289,970,120.64, 6,434,975,732.79 and 1,302,059,164.06 is: 1,953,094,983.83
Step by Step Solution
- Step 1: Write the proportion equation
4,289,970,120.64 : 6,434,975,732.79 = 1,302,059,164.06 : x - Step 2: Convert to fraction form
4,289,970,120.64/6,434,975,732.79 = 1,302,059,164.06/x - Step 3: Cross multiply
4,289,970,120.64x = 6,434,975,732.79 × 1,302,059,164.06 - Step 4: Simplify right side
4,289,970,120.64x = 8,378,719,123,382,932,480 - Step 5: Solve for x
x = 8,378,719,123,382,932,480/4,289,970,120.64 - Step 6: Final answer
x = 1,953,094,983.83
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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.