Finding the Fourth Proportional to 474,984,106.30, 711,342,418.65 and 474,984,106.30
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Solution
The fourth proportional to 474,984,106.30, 711,342,418.65 and 474,984,106.30 is: 711,342,418.65
Step by Step Solution
- Step 1: Write the proportion equation
474,984,106.30 : 711,342,418.65 = 474,984,106.30 : x - Step 2: Convert to fraction form
474,984,106.30/711,342,418.65 = 474,984,106.30/x - Step 3: Cross multiply
474,984,106.30x = 711,342,418.65 × 474,984,106.30 - Step 4: Simplify right side
474,984,106.30x = 337,876,342,995,750,720 - Step 5: Solve for x
x = 337,876,342,995,750,720/474,984,106.30 - Step 6: Final answer
x = 711,342,418.65
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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.