Finding the Fourth Proportional to 491,000,276.95, 677,570,777.58 and 267,983,557.18
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Solution
The fourth proportional to 491,000,276.95, 677,570,777.58 and 267,983,557.18 is: 369,812,066.80
Step by Step Solution
- Step 1: Write the proportion equation
491,000,276.95 : 677,570,777.58 = 267,983,557.18 : x - Step 2: Convert to fraction form
491,000,276.95/677,570,777.58 = 267,983,557.18/x - Step 3: Cross multiply
491,000,276.95x = 677,570,777.58 × 267,983,557.18 - Step 4: Simplify right side
491,000,276.95x = 181,577,827,217,107,008 - Step 5: Solve for x
x = 181,577,827,217,107,008/491,000,276.95 - Step 6: Final answer
x = 369,812,066.80
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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.