Finding the Fourth Proportional to 310,767,115.80, 466,150,673.70 and 208,580,107.80
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Solution
The fourth proportional to 310,767,115.80, 466,150,673.70 and 208,580,107.80 is: 312,870,161.70
Step by Step Solution
- Step 1: Write the proportion equation
310,767,115.80 : 466,150,673.70 = 208,580,107.80 : x - Step 2: Convert to fraction form
310,767,115.80/466,150,673.70 = 208,580,107.80/x - Step 3: Cross multiply
310,767,115.80x = 466,150,673.70 × 208,580,107.80 - Step 4: Simplify right side
310,767,115.80x = 97,229,757,771,388,624 - Step 5: Solve for x
x = 97,229,757,771,388,624/310,767,115.80 - Step 6: Final answer
x = 312,870,161.70
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1.5x scale
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.