Finding the Fourth Proportional to 2,529,236,072.24, 3,490,710,870.84 and 1,457,334,107.87
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Solution
The fourth proportional to 2,529,236,072.24, 3,490,710,870.84 and 1,457,334,107.87 is: 2,011,331,432.69
Step by Step Solution
- Step 1: Write the proportion equation
2,529,236,072.24 : 3,490,710,870.84 = 1,457,334,107.87 : x - Step 2: Convert to fraction form
2,529,236,072.24/3,490,710,870.84 = 1,457,334,107.87/x - Step 3: Cross multiply
2,529,236,072.24x = 3,490,710,870.84 × 1,457,334,107.87 - Step 4: Simplify right side
2,529,236,072.24x = 5,087,132,012,787,722,240 - Step 5: Solve for x
x = 5,087,132,012,787,722,240/2,529,236,072.24 - Step 6: Final answer
x = 2,011,331,432.69
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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.