Finding the Fourth Proportional to 199,587,465.30, 299,381,197.95 and 196,900,079.70
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Solution
The fourth proportional to 199,587,465.30, 299,381,197.95 and 196,900,079.70 is: 295,350,119.55
Step by Step Solution
- Step 1: Write the proportion equation
199,587,465.30 : 299,381,197.95 = 196,900,079.70 : x - Step 2: Convert to fraction form
199,587,465.30/299,381,197.95 = 196,900,079.70/x - Step 3: Cross multiply
199,587,465.30x = 299,381,197.95 × 196,900,079.70 - Step 4: Simplify right side
199,587,465.30x = 58,948,181,737,036,472 - Step 5: Solve for x
x = 58,948,181,737,036,472/199,587,465.30 - Step 6: Final answer
x = 295,350,119.55
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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.