Finding the Fourth Proportional to 1,264,812,939.70, 1,745,496,402.17 and 700,297,832.08
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Solution
The fourth proportional to 1,264,812,939.70, 1,745,496,402.17 and 700,297,832.08 is: 966,441,208.80
Step by Step Solution
- Step 1: Write the proportion equation
1,264,812,939.70 : 1,745,496,402.17 = 700,297,832.08 : x - Step 2: Convert to fraction form
1,264,812,939.70/1,745,496,402.17 = 700,297,832.08/x - Step 3: Cross multiply
1,264,812,939.70x = 1,745,496,402.17 × 700,297,832.08 - Step 4: Simplify right side
1,264,812,939.70x = 1,222,367,346,341,771,008 - Step 5: Solve for x
x = 1,222,367,346,341,771,008/1,264,812,939.70 - Step 6: Final answer
x = 966,441,208.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.