Finding the Fourth Proportional to 1,872,407,274.48, 2,808,741,966.54 and 751,930,762.06
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Solution
The fourth proportional to 1,872,407,274.48, 2,808,741,966.54 and 751,930,762.06 is: 1,127,948,772.75
Step by Step Solution
- Step 1: Write the proportion equation
1,872,407,274.48 : 2,808,741,966.54 = 751,930,762.06 : x - Step 2: Convert to fraction form
1,872,407,274.48/2,808,741,966.54 = 751,930,762.06/x - Step 3: Cross multiply
1,872,407,274.48x = 2,808,741,966.54 × 751,930,762.06 - Step 4: Simplify right side
1,872,407,274.48x = 2,111,979,487,330,324,992 - Step 5: Solve for x
x = 2,111,979,487,330,324,992/1,872,407,274.48 - Step 6: Final answer
x = 1,127,948,772.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.