Finding the Fourth Proportional to 472,207,246.20, 708,310,869.30 and 242,624,734.20
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Solution
The fourth proportional to 472,207,246.20, 708,310,869.30 and 242,624,734.20 is: 363,937,101.30
Step by Step Solution
- Step 1: Write the proportion equation
472,207,246.20 : 708,310,869.30 = 242,624,734.20 : x - Step 2: Convert to fraction form
472,207,246.20/708,310,869.30 = 242,624,734.20/x - Step 3: Cross multiply
472,207,246.20x = 708,310,869.30 × 242,624,734.20 - Step 4: Simplify right side
472,207,246.20x = 171,853,736,394,883,424 - Step 5: Solve for x
x = 171,853,736,394,883,424/472,207,246.20 - Step 6: Final answer
x = 363,937,101.30
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Similar ratio
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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.