Finding the Fourth Proportional to 3,129,743,407.40, 4,319,088,015.01 and 1,700,842,877.92
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Solution
The fourth proportional to 3,129,743,407.40, 4,319,088,015.01 and 1,700,842,877.92 is: 2,347,186,057.51
Step by Step Solution
- Step 1: Write the proportion equation
3,129,743,407.40 : 4,319,088,015.01 = 1,700,842,877.92 : x - Step 2: Convert to fraction form
3,129,743,407.40/4,319,088,015.01 = 1,700,842,877.92/x - Step 3: Cross multiply
3,129,743,407.40x = 4,319,088,015.01 × 1,700,842,877.92 - Step 4: Simplify right side
3,129,743,407.40x = 7,346,090,089,443,551,232 - Step 5: Solve for x
x = 7,346,090,089,443,551,232/3,129,743,407.40 - Step 6: Final answer
x = 2,347,186,057.51
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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.