Finding the Fourth Proportional to 752,970,725.30, 1,039,124,832.50 and 418,457,344.08
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Solution
The fourth proportional to 752,970,725.30, 1,039,124,832.50 and 418,457,344.08 is: 577,485,157.08
Step by Step Solution
- Step 1: Write the proportion equation
752,970,725.30 : 1,039,124,832.50 = 418,457,344.08 : x - Step 2: Convert to fraction form
752,970,725.30/1,039,124,832.50 = 418,457,344.08/x - Step 3: Cross multiply
752,970,725.30x = 1,039,124,832.50 × 418,457,344.08 - Step 4: Simplify right side
752,970,725.30x = 434,829,417,575,524,864 - Step 5: Solve for x
x = 434,829,417,575,524,864/752,970,725.30 - Step 6: Final answer
x = 577,485,157.08
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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.