Finding the Fourth Proportional to 1,532,340,409.79, 2,298,510,644.98 and 367,808,901.03
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Solution
The fourth proportional to 1,532,340,409.79, 2,298,510,644.98 and 367,808,901.03 is: 551,713,358.82
Step by Step Solution
- Step 1: Write the proportion equation
1,532,340,409.79 : 2,298,510,644.98 = 367,808,901.03 : x - Step 2: Convert to fraction form
1,532,340,409.79/2,298,510,644.98 = 367,808,901.03/x - Step 3: Cross multiply
1,532,340,409.79x = 2,298,510,644.98 × 367,808,901.03 - Step 4: Simplify right side
1,532,340,409.79x = 845,412,674,335,629,568 - Step 5: Solve for x
x = 845,412,674,335,629,568/1,532,340,409.79 - Step 6: Final answer
x = 551,713,358.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.