Finding the Fourth Proportional to 627,792,258.23, 940,827,452.79 and 397,349,992.79
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Solution
The fourth proportional to 627,792,258.23, 940,827,452.79 and 397,349,992.79 is: 595,480,075.90
Step by Step Solution
- Step 1: Write the proportion equation
627,792,258.23 : 940,827,452.79 = 397,349,992.79 : x - Step 2: Convert to fraction form
627,792,258.23/940,827,452.79 = 397,349,992.79/x - Step 3: Cross multiply
627,792,258.23x = 940,827,452.79 × 397,349,992.79 - Step 4: Simplify right side
627,792,258.23x = 373,837,781,582,740,544 - Step 5: Solve for x
x = 373,837,781,582,740,544/627,792,258.23 - Step 6: Final answer
x = 595,480,075.90
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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.