Finding the Fourth Proportional to 980,255,003.20, 1,468,366,965.60 and 673,893,044.80
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Solution
The fourth proportional to 980,255,003.20, 1,468,366,965.60 and 673,893,044.80 is: 1,009,453,950.35
Step by Step Solution
- Step 1: Write the proportion equation
980,255,003.20 : 1,468,366,965.60 = 673,893,044.80 : x - Step 2: Convert to fraction form
980,255,003.20/1,468,366,965.60 = 673,893,044.80/x - Step 3: Cross multiply
980,255,003.20x = 1,468,366,965.60 × 673,893,044.80 - Step 4: Simplify right side
980,255,003.20x = 989,522,285,331,920,768 - Step 5: Solve for x
x = 989,522,285,331,920,768/980,255,003.20 - Step 6: Final answer
x = 1,009,453,950.35
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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.