Finding the Fourth Proportional to 1,119,108,201.18, 1,544,370,805.35 and 617,305,665.48
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Solution
The fourth proportional to 1,119,108,201.18, 1,544,370,805.35 and 617,305,665.48 is: 851,882,639.00
Step by Step Solution
- Step 1: Write the proportion equation
1,119,108,201.18 : 1,544,370,805.35 = 617,305,665.48 : x - Step 2: Convert to fraction form
1,119,108,201.18/1,544,370,805.35 = 617,305,665.48/x - Step 3: Cross multiply
1,119,108,201.18x = 1,544,370,805.35 × 617,305,665.48 - Step 4: Simplify right side
1,119,108,201.18x = 953,348,847,744,465,280 - Step 5: Solve for x
x = 953,348,847,744,465,280/1,119,108,201.18 - Step 6: Final answer
x = 851,882,639.00
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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.