Finding the Fourth Proportional to 8,231,605,134.23, 11,359,718,398.74 and 4,472,478,478.37
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Solution
The fourth proportional to 8,231,605,134.23, 11,359,718,398.74 and 4,472,478,478.37 is: 6,172,076,433.48
Step by Step Solution
- Step 1: Write the proportion equation
8,231,605,134.23 : 11,359,718,398.74 = 4,472,478,478.37 : x - Step 2: Convert to fraction form
8,231,605,134.23/11,359,718,398.74 = 4,472,478,478.37/x - Step 3: Cross multiply
8,231,605,134.23x = 11,359,718,398.74 × 4,472,478,478.37 - Step 4: Simplify right side
8,231,605,134.23x = 50,806,096,058,708,369,408 - Step 5: Solve for x
x = 50,806,096,058,708,369,408/8,231,605,134.23 - Step 6: Final answer
x = 6,172,076,433.48
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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.