Finding the Fourth Proportional to 1,119,780,134.10, 1,679,670,201.15 and 708,610,137.30
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Solution
The fourth proportional to 1,119,780,134.10, 1,679,670,201.15 and 708,610,137.30 is: 1,062,915,205.95
Step by Step Solution
- Step 1: Write the proportion equation
1,119,780,134.10 : 1,679,670,201.15 = 708,610,137.30 : x - Step 2: Convert to fraction form
1,119,780,134.10/1,679,670,201.15 = 708,610,137.30/x - Step 3: Cross multiply
1,119,780,134.10x = 1,679,670,201.15 × 708,610,137.30 - Step 4: Simplify right side
1,119,780,134.10x = 1,190,231,331,855,620,096 - Step 5: Solve for x
x = 1,190,231,331,855,620,096/1,119,780,134.10 - Step 6: Final answer
x = 1,062,915,205.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.