Finding the Fourth Proportional to 317,396,263.21, 437,967,180.39 and 176,248,293.01
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Solution
The fourth proportional to 317,396,263.21, 437,967,180.39 and 176,248,293.01 is: 243,200,619.81
Step by Step Solution
- Step 1: Write the proportion equation
317,396,263.21 : 437,967,180.39 = 176,248,293.01 : x - Step 2: Convert to fraction form
317,396,263.21/437,967,180.39 = 176,248,293.01/x - Step 3: Cross multiply
317,396,263.21x = 437,967,180.39 × 176,248,293.01 - Step 4: Simplify right side
317,396,263.21x = 77,190,967,938,682,720 - Step 5: Solve for x
x = 77,190,967,938,682,720/317,396,263.21 - Step 6: Final answer
x = 243,200,619.81
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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.