Finding the Fourth Proportional to 817,727,243.76, 1,128,457,755.36 and 446,449,264.08
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Solution
The fourth proportional to 817,727,243.76, 1,128,457,755.36 and 446,449,264.08 is: 616,096,795.44
Step by Step Solution
- Step 1: Write the proportion equation
817,727,243.76 : 1,128,457,755.36 = 446,449,264.08 : x - Step 2: Convert to fraction form
817,727,243.76/1,128,457,755.36 = 446,449,264.08/x - Step 3: Cross multiply
817,727,243.76x = 1,128,457,755.36 × 446,449,264.08 - Step 4: Simplify right side
817,727,243.76x = 503,799,134,425,840,640 - Step 5: Solve for x
x = 503,799,134,425,840,640/817,727,243.76 - Step 6: Final answer
x = 616,096,795.44
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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.