Finding the Fourth Proportional to 983,043,865.92, 1,356,546,088.32 and 536,918,403.84
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Solution
The fourth proportional to 983,043,865.92, 1,356,546,088.32 and 536,918,403.84 is: 740,917,659.66
Step by Step Solution
- Step 1: Write the proportion equation
983,043,865.92 : 1,356,546,088.32 = 536,918,403.84 : x - Step 2: Convert to fraction form
983,043,865.92/1,356,546,088.32 = 536,918,403.84/x - Step 3: Cross multiply
983,043,865.92x = 1,356,546,088.32 × 536,918,403.84 - Step 4: Simplify right side
983,043,865.92x = 728,354,560,476,170,112 - Step 5: Solve for x
x = 728,354,560,476,170,112/983,043,865.92 - Step 6: Final answer
x = 740,917,659.66
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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.