Finding the Fourth Proportional to 2,518,024,855.38, 3,777,044,368.98 and 965,791,982.58
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Solution
The fourth proportional to 2,518,024,855.38, 3,777,044,368.98 and 965,791,982.58 is: 1,448,690,691.68
Step by Step Solution
- Step 1: Write the proportion equation
2,518,024,855.38 : 3,777,044,368.98 = 965,791,982.58 : x - Step 2: Convert to fraction form
2,518,024,855.38/3,777,044,368.98 = 965,791,982.58/x - Step 3: Cross multiply
2,518,024,855.38x = 3,777,044,368.98 × 965,791,982.58 - Step 4: Simplify right side
2,518,024,855.38x = 3,647,839,169,409,819,648 - Step 5: Solve for x
x = 3,647,839,169,409,819,648/2,518,024,855.38 - Step 6: Final answer
x = 1,448,690,691.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.