Finding the Fourth Proportional to 701,851,348.62, 968,619,854.07 and 388,585,567.62
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Solution
The fourth proportional to 701,851,348.62, 968,619,854.07 and 388,585,567.62 is: 536,284,067.19
Step by Step Solution
- Step 1: Write the proportion equation
701,851,348.62 : 968,619,854.07 = 388,585,567.62 : x - Step 2: Convert to fraction form
701,851,348.62/968,619,854.07 = 388,585,567.62/x - Step 3: Cross multiply
701,851,348.62x = 968,619,854.07 × 388,585,567.62 - Step 4: Simplify right side
701,851,348.62x = 376,391,695,801,792,512 - Step 5: Solve for x
x = 376,391,695,801,792,512/701,851,348.62 - Step 6: Final answer
x = 536,284,067.19
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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.