Finding the Fourth Proportional to 743,561,473.68, 1,026,109,159.50 and 409,026,792.68
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Solution
The fourth proportional to 743,561,473.68, 1,026,109,159.50 and 409,026,792.68 is: 564,453,852.58
Step by Step Solution
- Step 1: Write the proportion equation
743,561,473.68 : 1,026,109,159.50 = 409,026,792.68 : x - Step 2: Convert to fraction form
743,561,473.68/1,026,109,159.50 = 409,026,792.68/x - Step 3: Cross multiply
743,561,473.68x = 1,026,109,159.50 × 409,026,792.68 - Step 4: Simplify right side
743,561,473.68x = 419,706,138,449,855,552 - Step 5: Solve for x
x = 419,706,138,449,855,552/743,561,473.68 - Step 6: Final answer
x = 564,453,852.58
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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.