Finding the Fourth Proportional to 1,476,228,550.80, 2,214,661,690.80 and 441,194,059.20
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Solution
The fourth proportional to 1,476,228,550.80, 2,214,661,690.80 and 441,194,059.20 is: 661,886,386.49
Step by Step Solution
- Step 1: Write the proportion equation
1,476,228,550.80 : 2,214,661,690.80 = 441,194,059.20 : x - Step 2: Convert to fraction form
1,476,228,550.80/2,214,661,690.80 = 441,194,059.20/x - Step 3: Cross multiply
1,476,228,550.80x = 2,214,661,690.80 × 441,194,059.20 - Step 4: Simplify right side
1,476,228,550.80x = 977,095,581,118,787,328 - Step 5: Solve for x
x = 977,095,581,118,787,328/1,476,228,550.80 - Step 6: Final answer
x = 661,886,386.49
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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.