Finding the Fourth Proportional to 5,214,105,616.44, 7,193,704,862.70 and 2,955,803,031.48
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Solution
The fourth proportional to 5,214,105,616.44, 7,193,704,862.70 and 2,955,803,031.48 is: 4,078,009,960.85
Step by Step Solution
- Step 1: Write the proportion equation
5,214,105,616.44 : 7,193,704,862.70 = 2,955,803,031.48 : x - Step 2: Convert to fraction form
5,214,105,616.44/7,193,704,862.70 = 2,955,803,031.48/x - Step 3: Cross multiply
5,214,105,616.44x = 7,193,704,862.70 × 2,955,803,031.48 - Step 4: Simplify right side
5,214,105,616.44x = 21,263,174,640,741,076,992 - Step 5: Solve for x
x = 21,263,174,640,741,076,992/5,214,105,616.44 - Step 6: Final answer
x = 4,078,009,960.85
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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.