Finding the Fourth Proportional to 1,116,344,347.36, 1,674,768,540.32 and 369,358,351.14
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Solution
The fourth proportional to 1,116,344,347.36, 1,674,768,540.32 and 369,358,351.14 is: 554,120,910.86
Step by Step Solution
- Step 1: Write the proportion equation
1,116,344,347.36 : 1,674,768,540.32 = 369,358,351.14 : x - Step 2: Convert to fraction form
1,116,344,347.36/1,674,768,540.32 = 369,358,351.14/x - Step 3: Cross multiply
1,116,344,347.36x = 1,674,768,540.32 × 369,358,351.14 - Step 4: Simplify right side
1,116,344,347.36x = 618,589,746,593,739,776 - Step 5: Solve for x
x = 618,589,746,593,739,776/1,116,344,347.36 - Step 6: Final answer
x = 554,120,910.86
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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.