Finding the Fourth Proportional to 1,554,236,429.10, 2,331,354,643.65 and 633,610,905.90
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Solution
The fourth proportional to 1,554,236,429.10, 2,331,354,643.65 and 633,610,905.90 is: 950,416,358.85
Step by Step Solution
- Step 1: Write the proportion equation
1,554,236,429.10 : 2,331,354,643.65 = 633,610,905.90 : x - Step 2: Convert to fraction form
1,554,236,429.10/2,331,354,643.65 = 633,610,905.90/x - Step 3: Cross multiply
1,554,236,429.10x = 2,331,354,643.65 × 633,610,905.90 - Step 4: Simplify right side
1,554,236,429.10x = 1,477,171,727,737,248,256 - Step 5: Solve for x
x = 1,477,171,727,737,248,256/1,554,236,429.10 - Step 6: Final answer
x = 950,416,358.85
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Similar ratio
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1.5x scale
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.