Finding the Fourth Proportional to 1,618,998,373.44, 2,234,217,281.76 and 876,441,885.12
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Solution
The fourth proportional to 1,618,998,373.44, 2,234,217,281.76 and 876,441,885.12 is: 1,209,489,545.09
Step by Step Solution
- Step 1: Write the proportion equation
1,618,998,373.44 : 2,234,217,281.76 = 876,441,885.12 : x - Step 2: Convert to fraction form
1,618,998,373.44/2,234,217,281.76 = 876,441,885.12/x - Step 3: Cross multiply
1,618,998,373.44x = 2,234,217,281.76 × 876,441,885.12 - Step 4: Simplify right side
1,618,998,373.44x = 1,958,161,606,193,416,704 - Step 5: Solve for x
x = 1,958,161,606,193,416,704/1,618,998,373.44 - Step 6: Final answer
x = 1,209,489,545.09
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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.