Finding the Fourth Proportional to 455,919,558.33, 629,169,528.68 and 247,075,700.99
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Solution
The fourth proportional to 455,919,558.33, 629,169,528.68 and 247,075,700.99 is: 340,964,759.02
Step by Step Solution
- Step 1: Write the proportion equation
455,919,558.33 : 629,169,528.68 = 247,075,700.99 : x - Step 2: Convert to fraction form
455,919,558.33/629,169,528.68 = 247,075,700.99/x - Step 3: Cross multiply
455,919,558.33x = 629,169,528.68 × 247,075,700.99 - Step 4: Simplify right side
455,919,558.33x = 155,452,502,335,777,696 - Step 5: Solve for x
x = 155,452,502,335,777,696/455,919,558.33 - Step 6: Final answer
x = 340,964,759.02
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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.