Finding the Fourth Proportional to 2,490,733,349.75, 3,437,227,567.21 and 1,361,705,545.69
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Solution
The fourth proportional to 2,490,733,349.75, 3,437,227,567.21 and 1,361,705,545.69 is: 1,879,162,151.39
Step by Step Solution
- Step 1: Write the proportion equation
2,490,733,349.75 : 3,437,227,567.21 = 1,361,705,545.69 : x - Step 2: Convert to fraction form
2,490,733,349.75/3,437,227,567.21 = 1,361,705,545.69/x - Step 3: Cross multiply
2,490,733,349.75x = 3,437,227,567.21 × 1,361,705,545.69 - Step 4: Simplify right side
2,490,733,349.75x = 4,680,491,840,051,217,408 - Step 5: Solve for x
x = 4,680,491,840,051,217,408/2,490,733,349.75 - Step 6: Final answer
x = 1,879,162,151.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.