Finding the Fourth Proportional to 1,336,422,631.93, 2,004,710,555.26 and 353,823,638.49
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Solution
The fourth proportional to 1,336,422,631.93, 2,004,710,555.26 and 353,823,638.49 is: 530,755,739.86
Step by Step Solution
- Step 1: Write the proportion equation
1,336,422,631.93 : 2,004,710,555.26 = 353,823,638.49 : x - Step 2: Convert to fraction form
1,336,422,631.93/2,004,710,555.26 = 353,823,638.49/x - Step 3: Cross multiply
1,336,422,631.93x = 2,004,710,555.26 × 353,823,638.49 - Step 4: Simplify right side
1,336,422,631.93x = 709,313,982,781,401,472 - Step 5: Solve for x
x = 709,313,982,781,401,472/1,336,422,631.93 - Step 6: Final answer
x = 530,755,739.86
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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.