Finding the Fourth Proportional to 7,964,576,128.62, 10,991,116,133.61 and 4,396,283,708.04
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Solution
The fourth proportional to 7,964,576,128.62, 10,991,116,133.61 and 4,396,283,708.04 is: 6,066,872,111.09
Step by Step Solution
- Step 1: Write the proportion equation
7,964,576,128.62 : 10,991,116,133.61 = 4,396,283,708.04 : x - Step 2: Convert to fraction form
7,964,576,128.62/10,991,116,133.61 = 4,396,283,708.04/x - Step 3: Cross multiply
7,964,576,128.62x = 10,991,116,133.61 × 4,396,283,708.04 - Step 4: Simplify right side
7,964,576,128.62x = 48,320,064,791,365,238,784 - Step 5: Solve for x
x = 48,320,064,791,365,238,784/7,964,576,128.62 - Step 6: Final answer
x = 6,066,872,111.09
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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.