Finding the Fourth Proportional to 452,537,868.72, 678,528,990.88 and 175,866,029.44
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Solution
The fourth proportional to 452,537,868.72, 678,528,990.88 and 175,866,029.44 is: 263,691,080.31
Step by Step Solution
- Step 1: Write the proportion equation
452,537,868.72 : 678,528,990.88 = 175,866,029.44 : x - Step 2: Convert to fraction form
452,537,868.72/678,528,990.88 = 175,866,029.44/x - Step 3: Cross multiply
452,537,868.72x = 678,528,990.88 × 175,866,029.44 - Step 4: Simplify right side
452,537,868.72x = 119,330,199,485,995,568 - Step 5: Solve for x
x = 119,330,199,485,995,568/452,537,868.72 - Step 6: Final answer
x = 263,691,080.31
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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.