Finding the Fourth Proportional to 995,336,492.80, 1,493,004,739.20 and 949,986,860.80
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Solution
The fourth proportional to 995,336,492.80, 1,493,004,739.20 and 949,986,860.80 is: 1,424,980,291.20
Step by Step Solution
- Step 1: Write the proportion equation
995,336,492.80 : 1,493,004,739.20 = 949,986,860.80 : x - Step 2: Convert to fraction form
995,336,492.80/1,493,004,739.20 = 949,986,860.80/x - Step 3: Cross multiply
995,336,492.80x = 1,493,004,739.20 × 949,986,860.80 - Step 4: Simplify right side
995,336,492.80x = 1,418,334,885,352,130,560 - Step 5: Solve for x
x = 1,418,334,885,352,130,560/995,336,492.80 - Step 6: Final answer
x = 1,424,980,291.20
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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.