Finding the Fourth Proportional to 1,476,221,126.40, 2,214,357,933.60 and 441,094,780.80
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Solution
The fourth proportional to 1,476,221,126.40, 2,214,357,933.60 and 441,094,780.80 is: 661,650,012.91
Step by Step Solution
- Step 1: Write the proportion equation
1,476,221,126.40 : 2,214,357,933.60 = 441,094,780.80 : x - Step 2: Convert to fraction form
1,476,221,126.40/2,214,357,933.60 = 441,094,780.80/x - Step 3: Cross multiply
1,476,221,126.40x = 2,214,357,933.60 × 441,094,780.80 - Step 4: Simplify right side
1,476,221,126.40x = 976,741,727,334,032,896 - Step 5: Solve for x
x = 976,741,727,334,032,896/1,476,221,126.40 - Step 6: Final answer
x = 661,650,012.91
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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.