Finding the Fourth Proportional to 7,964,576,124.48, 10,991,116,127.93 and 4,396,283,703.90
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Solution
The fourth proportional to 7,964,576,124.48, 10,991,116,127.93 and 4,396,283,703.90 is: 6,066,872,105.39
Step by Step Solution
- Step 1: Write the proportion equation
7,964,576,124.48 : 10,991,116,127.93 = 4,396,283,703.90 : x - Step 2: Convert to fraction form
7,964,576,124.48/10,991,116,127.93 = 4,396,283,703.90/x - Step 3: Cross multiply
7,964,576,124.48x = 10,991,116,127.93 × 4,396,283,703.90 - Step 4: Simplify right side
7,964,576,124.48x = 48,320,064,720,869,138,432 - Step 5: Solve for x
x = 48,320,064,720,869,138,432/7,964,576,124.48 - Step 6: Final answer
x = 6,066,872,105.39
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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.