Finding the Fourth Proportional to 6,445,467,594.48, 8,894,745,708.12 and 3,587,548,475.28
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Solution
The fourth proportional to 6,445,467,594.48, 8,894,745,708.12 and 3,587,548,475.28 is: 4,950,817,133.97
Step by Step Solution
- Step 1: Write the proportion equation
6,445,467,594.48 : 8,894,745,708.12 = 3,587,548,475.28 : x - Step 2: Convert to fraction form
6,445,467,594.48/8,894,745,708.12 = 3,587,548,475.28/x - Step 3: Cross multiply
6,445,467,594.48x = 8,894,745,708.12 × 3,587,548,475.28 - Step 4: Simplify right side
6,445,467,594.48x = 31,910,331,403,203,035,136 - Step 5: Solve for x
x = 31,910,331,403,203,035,136/6,445,467,594.48 - Step 6: Final answer
x = 4,950,817,133.97
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1.5x scale
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.