Finding the Fourth Proportional to 18,201,325,646.48, 27,301,988,469.74 and 5,115,122,462.48
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Solution
The fourth proportional to 18,201,325,646.48, 27,301,988,469.74 and 5,115,122,462.48 is: 7,672,683,693.72
Step by Step Solution
- Step 1: Write the proportion equation
18,201,325,646.48 : 27,301,988,469.74 = 5,115,122,462.48 : x - Step 2: Convert to fraction form
18,201,325,646.48/27,301,988,469.74 = 5,115,122,462.48/x - Step 3: Cross multiply
18,201,325,646.48x = 27,301,988,469.74 × 5,115,122,462.48 - Step 4: Simplify right side
18,201,325,646.48x = 139,653,014,491,774,959,616 - Step 5: Solve for x
x = 139,653,014,491,774,959,616/18,201,325,646.48 - Step 6: Final answer
x = 7,672,683,693.72
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1.5x scale
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.