Finding the Fourth Proportional to 1,404,226,640.28, 1,937,839,237.08 and 777,681,933.24
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Solution
The fourth proportional to 1,404,226,640.28, 1,937,839,237.08 and 777,681,933.24 is: 1,073,204,652.99
Step by Step Solution
- Step 1: Write the proportion equation
1,404,226,640.28 : 1,937,839,237.08 = 777,681,933.24 : x - Step 2: Convert to fraction form
1,404,226,640.28/1,937,839,237.08 = 777,681,933.24/x - Step 3: Cross multiply
1,404,226,640.28x = 1,937,839,237.08 × 777,681,933.24 - Step 4: Simplify right side
1,404,226,640.28x = 1,507,022,564,200,700,928 - Step 5: Solve for x
x = 1,507,022,564,200,700,928/1,404,226,640.28 - Step 6: Final answer
x = 1,073,204,652.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.