Finding the Fourth Proportional to 315,450,555.24, 435,338,479.68 and 190,042,229.10
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Solution
The fourth proportional to 315,450,555.24, 435,338,479.68 and 190,042,229.10 is: 262,268,345.12
Step by Step Solution
- Step 1: Write the proportion equation
315,450,555.24 : 435,338,479.68 = 190,042,229.10 : x - Step 2: Convert to fraction form
315,450,555.24/435,338,479.68 = 190,042,229.10/x - Step 3: Cross multiply
315,450,555.24x = 435,338,479.68 × 190,042,229.10 - Step 4: Simplify right side
315,450,555.24x = 82,732,695,091,392,256 - Step 5: Solve for x
x = 82,732,695,091,392,256/315,450,555.24 - Step 6: Final answer
x = 262,268,345.12
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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.