Finding the Fourth Proportional to 949,751,103.81, 1,310,656,647.55 and 526,392,097.88
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Solution
The fourth proportional to 949,751,103.81, 1,310,656,647.55 and 526,392,097.88 is: 726,421,163.95
Step by Step Solution
- Step 1: Write the proportion equation
949,751,103.81 : 1,310,656,647.55 = 526,392,097.88 : x - Step 2: Convert to fraction form
949,751,103.81/1,310,656,647.55 = 526,392,097.88/x - Step 3: Cross multiply
949,751,103.81x = 1,310,656,647.55 × 526,392,097.88 - Step 4: Simplify right side
949,751,103.81x = 689,919,302,295,027,072 - Step 5: Solve for x
x = 689,919,302,295,027,072/949,751,103.81 - Step 6: Final answer
x = 726,421,163.95
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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.