Finding the Fourth Proportional to 2,811,895,948.70, 4,217,843,923.05 and 2,356,132,147.10
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Solution
The fourth proportional to 2,811,895,948.70, 4,217,843,923.05 and 2,356,132,147.10 is: 3,534,198,220.65
Step by Step Solution
- Step 1: Write the proportion equation
2,811,895,948.70 : 4,217,843,923.05 = 2,356,132,147.10 : x - Step 2: Convert to fraction form
2,811,895,948.70/4,217,843,923.05 = 2,356,132,147.10/x - Step 3: Cross multiply
2,811,895,948.70x = 4,217,843,923.05 × 2,356,132,147.10 - Step 4: Simplify right side
2,811,895,948.70x = 9,937,797,658,548,484,096 - Step 5: Solve for x
x = 9,937,797,658,548,484,096/2,811,895,948.70 - Step 6: Final answer
x = 3,534,198,220.65
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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.