Finding the Fourth Proportional to 1,652,883,925.12, 2,281,082,977.92 and 910,327,791.04
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Solution
The fourth proportional to 1,652,883,925.12, 2,281,082,977.92 and 910,327,791.04 is: 1,256,309,167.82
Step by Step Solution
- Step 1: Write the proportion equation
1,652,883,925.12 : 2,281,082,977.92 = 910,327,791.04 : x - Step 2: Convert to fraction form
1,652,883,925.12/2,281,082,977.92 = 910,327,791.04/x - Step 3: Cross multiply
1,652,883,925.12x = 2,281,082,977.92 × 910,327,791.04 - Step 4: Simplify right side
1,652,883,925.12x = 2,076,533,228,468,858,624 - Step 5: Solve for x
x = 2,076,533,228,468,858,624/1,652,883,925.12 - Step 6: Final answer
x = 1,256,309,167.82
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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.