Finding the Fourth Proportional to 471,763,872.53, 707,645,808.56 and 144,239,386.06
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Solution
The fourth proportional to 471,763,872.53, 707,645,808.56 and 144,239,386.06 is: 216,359,079.02
Step by Step Solution
- Step 1: Write the proportion equation
471,763,872.53 : 707,645,808.56 = 144,239,386.06 : x - Step 2: Convert to fraction form
471,763,872.53/707,645,808.56 = 144,239,386.06/x - Step 3: Cross multiply
471,763,872.53x = 707,645,808.56 × 144,239,386.06 - Step 4: Simplify right side
471,763,872.53x = 102,070,396,974,626,688 - Step 5: Solve for x
x = 102,070,396,974,626,688/471,763,872.53 - Step 6: Final answer
x = 216,359,079.02
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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.