Finding the Fourth Proportional to 1,197,835,181.30, 1,796,481,145.74 and 542,353,489.94
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Solution
The fourth proportional to 1,197,835,181.30, 1,796,481,145.74 and 542,353,489.94 is: 813,407,248.52
Step by Step Solution
- Step 1: Write the proportion equation
1,197,835,181.30 : 1,796,481,145.74 = 542,353,489.94 : x - Step 2: Convert to fraction form
1,197,835,181.30/1,796,481,145.74 = 542,353,489.94/x - Step 3: Cross multiply
1,197,835,181.30x = 1,796,481,145.74 × 542,353,489.94 - Step 4: Simplify right side
1,197,835,181.30x = 974,327,819,003,498,880 - Step 5: Solve for x
x = 974,327,819,003,498,880/1,197,835,181.30 - Step 6: Final answer
x = 813,407,248.52
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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.