Finding the Fourth Proportional to 1,450,702,936.19, 2,176,053,074.91 and 454,731,129.56
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Solution
The fourth proportional to 1,450,702,936.19, 2,176,053,074.91 and 454,731,129.56 is: 682,096,277.63
Step by Step Solution
- Step 1: Write the proportion equation
1,450,702,936.19 : 2,176,053,074.91 = 454,731,129.56 : x - Step 2: Convert to fraction form
1,450,702,936.19/2,176,053,074.91 = 454,731,129.56/x - Step 3: Cross multiply
1,450,702,936.19x = 2,176,053,074.91 × 454,731,129.56 - Step 4: Simplify right side
1,450,702,936.19x = 989,519,072,725,455,232 - Step 5: Solve for x
x = 989,519,072,725,455,232/1,450,702,936.19 - Step 6: Final answer
x = 682,096,277.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.