Finding the Fourth Proportional to 2,529,239,818.09, 3,490,716,219.63 and 1,457,337,931.66
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Solution
The fourth proportional to 2,529,239,818.09, 3,490,716,219.63 and 1,457,337,931.66 is: 2,011,336,813.20
Step by Step Solution
- Step 1: Write the proportion equation
2,529,239,818.09 : 3,490,716,219.63 = 1,457,337,931.66 : x - Step 2: Convert to fraction form
2,529,239,818.09/3,490,716,219.63 = 1,457,337,931.66/x - Step 3: Cross multiply
2,529,239,818.09x = 3,490,716,219.63 × 1,457,337,931.66 - Step 4: Simplify right side
2,529,239,818.09x = 5,087,153,155,527,599,104 - Step 5: Solve for x
x = 5,087,153,155,527,599,104/2,529,239,818.09 - Step 6: Final answer
x = 2,011,336,813.20
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1.5x scale
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.