Finding the Fourth Proportional to 1,119,108,204.18, 1,544,370,809.49 and 617,305,668.48
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Solution
The fourth proportional to 1,119,108,204.18, 1,544,370,809.49 and 617,305,668.48 is: 851,882,643.14
Step by Step Solution
- Step 1: Write the proportion equation
1,119,108,204.18 : 1,544,370,809.49 = 617,305,668.48 : x - Step 2: Convert to fraction form
1,119,108,204.18/1,544,370,809.49 = 617,305,668.48/x - Step 3: Cross multiply
1,119,108,204.18x = 1,544,370,809.49 × 617,305,668.48 - Step 4: Simplify right side
1,119,108,204.18x = 953,348,854,933,223,168 - Step 5: Solve for x
x = 953,348,854,933,223,168/1,119,108,204.18 - Step 6: Final answer
x = 851,882,643.14
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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.