Finding the Fourth Proportional to 1,412,775,212.63, 1,949,610,750.12 and 786,243,474.50
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Solution
The fourth proportional to 1,412,775,212.63, 1,949,610,750.12 and 786,243,474.50 is: 1,085,005,396.75
Step by Step Solution
- Step 1: Write the proportion equation
1,412,775,212.63 : 1,949,610,750.12 = 786,243,474.50 : x - Step 2: Convert to fraction form
1,412,775,212.63/1,949,610,750.12 = 786,243,474.50/x - Step 3: Cross multiply
1,412,775,212.63x = 1,949,610,750.12 × 786,243,474.50 - Step 4: Simplify right side
1,412,775,212.63x = 1,532,868,730,087,151,872 - Step 5: Solve for x
x = 1,532,868,730,087,151,872/1,412,775,212.63 - Step 6: Final answer
x = 1,085,005,396.75
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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.