Finding the Fourth Proportional to 1,076,895,282.26, 1,486,115,492.38 and 581,857,990.76
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Solution
The fourth proportional to 1,076,895,282.26, 1,486,115,492.38 and 581,857,990.76 is: 802,964,028.79
Step by Step Solution
- Step 1: Write the proportion equation
1,076,895,282.26 : 1,486,115,492.38 = 581,857,990.76 : x - Step 2: Convert to fraction form
1,076,895,282.26/1,486,115,492.38 = 581,857,990.76/x - Step 3: Cross multiply
1,076,895,282.26x = 1,486,115,492.38 × 581,857,990.76 - Step 4: Simplify right side
1,076,895,282.26x = 864,708,174,433,534,976 - Step 5: Solve for x
x = 864,708,174,433,534,976/1,076,895,282.26 - Step 6: Final answer
x = 802,964,028.79
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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.