Finding the Fourth Proportional to 1,034,322,265.28, 1,427,394,872.01 and 564,453,853.09
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Solution
The fourth proportional to 1,034,322,265.28, 1,427,394,872.01 and 564,453,853.09 is: 778,962,768.60
Step by Step Solution
- Step 1: Write the proportion equation
1,034,322,265.28 : 1,427,394,872.01 = 564,453,853.09 : x - Step 2: Convert to fraction form
1,034,322,265.28/1,427,394,872.01 = 564,453,853.09/x - Step 3: Cross multiply
1,034,322,265.28x = 1,427,394,872.01 × 564,453,853.09 - Step 4: Simplify right side
1,034,322,265.28x = 805,698,535,385,528,192 - Step 5: Solve for x
x = 805,698,535,385,528,192/1,034,322,265.28 - Step 6: Final answer
x = 778,962,768.60
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Double scale
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.