Finding the Fourth Proportional to 775,901,859.24, 1,070,729,388.18 and 423,480,376.68
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Solution
The fourth proportional to 775,901,859.24, 1,070,729,388.18 and 423,480,376.68 is: 584,394,636.03
Step by Step Solution
- Step 1: Write the proportion equation
775,901,859.24 : 1,070,729,388.18 = 423,480,376.68 : x - Step 2: Convert to fraction form
775,901,859.24/1,070,729,388.18 = 423,480,376.68/x - Step 3: Cross multiply
775,901,859.24x = 1,070,729,388.18 × 423,480,376.68 - Step 4: Simplify right side
775,901,859.24x = 453,432,884,628,812,352 - Step 5: Solve for x
x = 453,432,884,628,812,352/775,901,859.24 - Step 6: Final answer
x = 584,394,636.03
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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.