Finding the Fourth Proportional to 5,408,219,070.20, 7,463,386,137.90 and 2,996,941,840.04
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Solution
The fourth proportional to 5,408,219,070.20, 7,463,386,137.90 and 2,996,941,840.04 is: 4,135,804,022.49
Step by Step Solution
- Step 1: Write the proportion equation
5,408,219,070.20 : 7,463,386,137.90 = 2,996,941,840.04 : x - Step 2: Convert to fraction form
5,408,219,070.20/7,463,386,137.90 = 2,996,941,840.04/x - Step 3: Cross multiply
5,408,219,070.20x = 7,463,386,137.90 × 2,996,941,840.04 - Step 4: Simplify right side
5,408,219,070.20x = 22,367,334,185,076,801,536 - Step 5: Solve for x
x = 22,367,334,185,076,801,536/5,408,219,070.20 - Step 6: Final answer
x = 4,135,804,022.49
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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.