Finding the Fourth Proportional to 5,466,528,067.20, 8,199,792,100.80 and 2,518,801,987.20
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Solution
The fourth proportional to 5,466,528,067.20, 8,199,792,100.80 and 2,518,801,987.20 is: 3,778,202,980.80
Step by Step Solution
- Step 1: Write the proportion equation
5,466,528,067.20 : 8,199,792,100.80 = 2,518,801,987.20 : x - Step 2: Convert to fraction form
5,466,528,067.20/8,199,792,100.80 = 2,518,801,987.20/x - Step 3: Cross multiply
5,466,528,067.20x = 8,199,792,100.80 × 2,518,801,987.20 - Step 4: Simplify right side
5,466,528,067.20x = 20,653,652,638,121,902,080 - Step 5: Solve for x
x = 20,653,652,638,121,902,080/5,466,528,067.20 - Step 6: Final answer
x = 3,778,202,980.80
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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.