Finding the Fourth Proportional to 1,427,311,121.76, 2,141,069,870.31 and 597,430,127.99
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Solution
The fourth proportional to 1,427,311,121.76, 2,141,069,870.31 and 597,430,127.99 is: 896,188,383.29
Step by Step Solution
- Step 1: Write the proportion equation
1,427,311,121.76 : 2,141,069,870.31 = 597,430,127.99 : x - Step 2: Convert to fraction form
1,427,311,121.76/2,141,069,870.31 = 597,430,127.99/x - Step 3: Cross multiply
1,427,311,121.76x = 2,141,069,870.31 × 597,430,127.99 - Step 4: Simplify right side
1,427,311,121.76x = 1,279,139,646,661,263,872 - Step 5: Solve for x
x = 1,279,139,646,661,263,872/1,427,311,121.76 - Step 6: Final answer
x = 896,188,383.29
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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.